diff --git a/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/components/HomeTopBar.kt b/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/components/HomeTopBar.kt
index 5c3075fc75..5f55beaf60 100644
--- a/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/components/HomeTopBar.kt
+++ b/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/components/HomeTopBar.kt
@@ -57,6 +57,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.modifiers.backgroundVerticalGradient
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.theme.aliasScreenTitle
 import io.element.android.libraries.designsystem.theme.components.DropdownMenu
 import io.element.android.libraries.designsystem.theme.components.DropdownMenuItem
@@ -65,8 +66,8 @@ import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
 import io.element.android.libraries.matrix.api.core.SessionId
-import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.user.MatrixUser
+import io.element.android.libraries.matrix.ui.components.aMatrixUser
 import io.element.android.libraries.matrix.ui.components.aMatrixUserList
 import io.element.android.libraries.matrix.ui.model.getAvatarData
 import io.element.android.libraries.testtags.TestTags
@@ -346,7 +347,7 @@ private fun AccountIcon(
 internal fun HomeTopBarPreview() = ElementPreview {
     HomeTopBar(
         selectedNavigationItem = HomeNavigationBarItem.Chats,
-        currentUserAndNeighbors = persistentListOf(MatrixUser(UserId("@id:domain"), "Alice")),
+        currentUserAndNeighbors = persistentListOf(aMatrixUser(id = "@id:domain", displayName = USER_NAME_ALICE)),
         showAvatarIndicator = false,
         areSearchResultsDisplayed = false,
         scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState()),
@@ -367,7 +368,7 @@ internal fun HomeTopBarPreview() = ElementPreview {
 internal fun HomeTopBarSpaceFiltersSelectedPreview() = ElementPreview {
     HomeTopBar(
         selectedNavigationItem = HomeNavigationBarItem.Chats,
-        currentUserAndNeighbors = persistentListOf(MatrixUser(UserId("@id:domain"), "Alice")),
+        currentUserAndNeighbors = persistentListOf(aMatrixUser(id = "@id:domain", displayName = USER_NAME_ALICE)),
         showAvatarIndicator = false,
         areSearchResultsDisplayed = false,
         scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState()),
@@ -388,7 +389,7 @@ internal fun HomeTopBarSpaceFiltersSelectedPreview() = ElementPreview {
 internal fun HomeTopBarSpacesPreview() = ElementPreview {
     HomeTopBar(
         selectedNavigationItem = HomeNavigationBarItem.Spaces,
-        currentUserAndNeighbors = persistentListOf(MatrixUser(UserId("@id:domain"), "Alice")),
+        currentUserAndNeighbors = persistentListOf(aMatrixUser(id = "@id:domain", displayName = USER_NAME_ALICE)),
         showAvatarIndicator = false,
         areSearchResultsDisplayed = false,
         scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState()),
@@ -409,7 +410,7 @@ internal fun HomeTopBarSpacesPreview() = ElementPreview {
 internal fun HomeTopBarWithIndicatorPreview() = ElementPreview {
     HomeTopBar(
         selectedNavigationItem = HomeNavigationBarItem.Chats,
-        currentUserAndNeighbors = persistentListOf(MatrixUser(UserId("@id:domain"), "Alice")),
+        currentUserAndNeighbors = persistentListOf(aMatrixUser(id = "@id:domain", displayName = USER_NAME_ALICE)),
         showAvatarIndicator = true,
         areSearchResultsDisplayed = false,
         scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState()),
diff --git a/features/location/impl/src/main/kotlin/io/element/android/features/location/impl/common/ui/LocationShareRow.kt b/features/location/impl/src/main/kotlin/io/element/android/features/location/impl/common/ui/LocationShareRow.kt
index 83db9a9c61..3d7b8df618 100644
--- a/features/location/impl/src/main/kotlin/io/element/android/features/location/impl/common/ui/LocationShareRow.kt
+++ b/features/location/impl/src/main/kotlin/io/element/android/features/location/impl/common/ui/LocationShareRow.kt
@@ -31,6 +31,8 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
+import io.element.android.libraries.designsystem.preview.USER_NAME_BOB
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.designsystem.theme.components.Text
@@ -116,10 +118,10 @@ internal fun LocationShareRowPreview() = ElementPreview {
         LocationShareRow(
             item = LocationShareItem(
                 userId = UserId("@alice:matrix.org"),
-                displayName = "Alice",
+                displayName = USER_NAME_ALICE,
                 avatarData = AvatarData(
                     id = "@alice:matrix.org",
-                    name = "Alice",
+                    name = USER_NAME_ALICE,
                     url = null,
                     size = AvatarSize.UserListItem,
                 ),
@@ -133,10 +135,10 @@ internal fun LocationShareRowPreview() = ElementPreview {
         LocationShareRow(
             item = LocationShareItem(
                 userId = UserId("@bob:matrix.org"),
-                displayName = "Bob",
+                displayName = USER_NAME_BOB,
                 avatarData = AvatarData(
                     id = "@bob:matrix.org",
-                    name = "Bob",
+                    name = USER_NAME_BOB,
                     url = null,
                     size = AvatarSize.UserListItem,
                 ),
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/threads/list/ThreadsListView.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/threads/list/ThreadsListView.kt
index c93af5c162..1beabcd3fa 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/threads/list/ThreadsListView.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/threads/list/ThreadsListView.kt
@@ -43,6 +43,8 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.components.button.BackButton
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.ROOM_NAME
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.theme.components.HorizontalDivider
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.Scaffold
@@ -303,7 +305,7 @@ internal fun ThreadsListViewPreview() {
         ThreadsListView(
             state = ThreadsListState(
                 roomId = RoomId("!room-id:server"),
-                roomName = "Room name",
+                roomName = ROOM_NAME,
                 roomAvatarUrl = null,
                 threads = List(10) { aThreadListRowItem(threadId = ThreadId("\$thread-$it")) }.toImmutableList(),
                 isRoomTombstoned = false,
@@ -360,7 +362,7 @@ fun aThreadListItem(
 fun aThreadListItemEvent(
     threadId: ThreadId = ThreadId("\$a-thread-id"),
     senderId: UserId = UserId("@a-user-id:server"),
-    senderProfile: ProfileDetails = ProfileDetails.Ready(displayName = "Alice", displayNameAmbiguous = false, avatarUrl = null),
+    senderProfile: ProfileDetails = ProfileDetails.Ready(displayName = USER_NAME_ALICE, displayNameAmbiguous = false, avatarUrl = null),
     isOwn: Boolean = false,
     content: EventContent = MessageContent(
         body = "Hello world!",
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/MessageShieldView.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/MessageShieldView.kt
index 096ab018e2..1859e66750 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/MessageShieldView.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/MessageShieldView.kt
@@ -26,6 +26,7 @@ import io.element.android.compound.tokens.generated.CompoundIcons
 import io.element.android.features.messages.impl.R
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.matrix.api.core.UserId
@@ -162,7 +163,7 @@ internal fun MessageShieldViewPreview() {
                     MessageShield.AuthenticityNotGuaranteed(false),
                     forwarder = UserId("@alice:example.com"),
                     forwarderProfile = ProfileDetails.Ready(
-                        displayName = "Alice",
+                        displayName = USER_NAME_ALICE,
                         displayNameAmbiguous = false,
                         avatarUrl = null,
                     ),
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt
index f15d4d39a5..5785627564 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt
@@ -92,6 +92,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.modifiers.niceClickable
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.swipe.SwipeableActionsState
 import io.element.android.libraries.designsystem.swipe.rememberSwipeableActionsState
 import io.element.android.libraries.designsystem.text.toPx
@@ -863,7 +864,7 @@ internal fun TimelineItemEventRowWithThreadSummaryPreview() = ElementPreview {
                                     ),
                                     senderId = UserId("@user:id"),
                                     senderProfile = ProfileDetails.Ready(
-                                        displayName = "Alice",
+                                        displayName = USER_NAME_ALICE,
                                         avatarUrl = null,
                                         displayNameAmbiguous = false,
                                     ),
@@ -898,7 +899,7 @@ internal fun ThreadSummaryViewPreview() {
                     ),
                     senderId = UserId("@user:id"),
                     senderProfile = ProfileDetails.Ready(
-                        displayName = "Alice",
+                        displayName = USER_NAME_ALICE,
                         avatarUrl = null,
                         displayNameAmbiguous = true,
                     ),
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRowUtdPreview.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRowUtdPreview.kt
index 49328ac025..abacc45ef8 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRowUtdPreview.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRowUtdPreview.kt
@@ -16,6 +16,8 @@ import io.element.android.features.messages.impl.timeline.model.TimelineItemGrou
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemEncryptedContent
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
+import io.element.android.libraries.designsystem.preview.USER_NAME_BOB
 import io.element.android.libraries.matrix.api.timeline.item.event.UnableToDecryptContent
 import io.element.android.libraries.matrix.api.timeline.item.event.UtdCause
 
@@ -25,7 +27,7 @@ internal fun TimelineItemEventRowUtdPreview() = ElementPreview {
     Column {
         ATimelineItemEventRow(
             event = aTimelineItemEvent(
-                senderDisplayName = "Alice",
+                senderDisplayName = USER_NAME_ALICE,
                 isMine = false,
                 content = TimelineItemEncryptedContent(
                     data = UnableToDecryptContent.Data.MegolmV1AesSha2(
@@ -39,7 +41,7 @@ internal fun TimelineItemEventRowUtdPreview() = ElementPreview {
         )
         ATimelineItemEventRow(
             event = aTimelineItemEvent(
-                senderDisplayName = "Bob",
+                senderDisplayName = USER_NAME_BOB,
                 isMine = false,
                 content = TimelineItemEncryptedContent(
                     data = UnableToDecryptContent.Data.MegolmV1AesSha2(
@@ -54,7 +56,7 @@ internal fun TimelineItemEventRowUtdPreview() = ElementPreview {
 
         ATimelineItemEventRow(
             event = aTimelineItemEvent(
-                senderDisplayName = "Bob",
+                senderDisplayName = USER_NAME_BOB,
                 isMine = false,
                 content = TimelineItemEncryptedContent(
                     data = UnableToDecryptContent.Data.MegolmV1AesSha2(
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineItemRoomBeginningView.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineItemRoomBeginningView.kt
index f812b40e61..d59526d8bb 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineItemRoomBeginningView.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineItemRoomBeginningView.kt
@@ -24,6 +24,7 @@ import io.element.android.features.messages.impl.R
 import io.element.android.libraries.designsystem.atomic.molecules.ComposerAlertMolecule
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.ROOM_NAME
 import io.element.android.libraries.designsystem.text.toAnnotatedString
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.utils.allBooleans
@@ -86,13 +87,13 @@ internal fun TimelineItemRoomBeginningViewPreview() = ElementPreview {
             )
             TimelineItemRoomBeginningView(
                 predecessorRoom = null,
-                roomName = "Room Name",
+                roomName = ROOM_NAME,
                 isDm = isDm,
                 onPredecessorRoomClick = {},
             )
             TimelineItemRoomBeginningView(
                 predecessorRoom = PredecessorRoom(RoomId("!roomId:matrix.org")),
-                roomName = "Room Name",
+                roomName = ROOM_NAME,
                 isDm = isDm,
                 onPredecessorRoomClick = {},
             )
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/MessagesViewTopBar.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/MessagesViewTopBar.kt
index b1a31da443..639092fc6c 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/MessagesViewTopBar.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/MessagesViewTopBar.kt
@@ -43,6 +43,7 @@ import io.element.android.libraries.designsystem.components.avatar.anAvatarData
 import io.element.android.libraries.designsystem.components.button.BackButton
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.ROOM_NAME
 import io.element.android.libraries.designsystem.theme.components.HorizontalDivider
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.Text
@@ -175,9 +176,9 @@ private fun RoomAvatarAndNameRow(
 internal fun MessagesViewTopBarPreview() = ElementPreview {
     @Composable
     fun AMessagesViewTopBar(
-        roomName: String? = "Room name",
+        roomName: String? = ROOM_NAME,
         roomAvatar: AvatarData = anAvatarData(
-            name = "Room name",
+            name = ROOM_NAME,
             size = AvatarSize.TimelineRoom,
         ),
         isTombstoned: Boolean = false,
diff --git a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/ThreadTopBar.kt b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/ThreadTopBar.kt
index 2247566531..e73b6b19b7 100644
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/ThreadTopBar.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/topbars/ThreadTopBar.kt
@@ -31,6 +31,7 @@ import io.element.android.libraries.designsystem.components.avatar.anAvatarData
 import io.element.android.libraries.designsystem.components.button.BackButton
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.ROOM_NAME
 import io.element.android.libraries.designsystem.theme.components.HorizontalDivider
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
@@ -96,9 +97,9 @@ internal fun ThreadTopBar(
 internal fun ThreadTopBarPreview() = ElementPreview {
     @Composable
     fun AThreadTopBar(
-        roomName: String? = "Room name",
+        roomName: String? = ROOM_NAME,
         roomAvatarData: AvatarData = anAvatarData(
-            name = "Room name",
+            name = ROOM_NAME,
             size = AvatarSize.TimelineRoom,
         ),
         isTombstoned: Boolean = false,
@@ -123,7 +124,7 @@ internal fun ThreadTopBarPreview() = ElementPreview {
         HorizontalDivider()
         AThreadTopBar(
             roomAvatarData = anAvatarData(
-                name = "Room name",
+                name = ROOM_NAME,
                 url = "https://some-avatar.jpg",
                 size = AvatarSize.TimelineRoom,
             ),
diff --git a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileStateProvider.kt b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileStateProvider.kt
index 13f69a7e1e..2f238f9935 100644
--- a/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileStateProvider.kt
+++ b/features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileStateProvider.kt
@@ -10,6 +10,7 @@ package io.element.android.features.preferences.impl.user.editprofile
 
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.designsystem.preview.USER_NAME_JOHN_DOE
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.ui.media.AvatarAction
 import io.element.android.libraries.permissions.api.PermissionsState
@@ -28,7 +29,7 @@ open class EditUserProfileStateProvider : PreviewParameterProvider<EditUserProfi
 
 fun aEditUserProfileState(
     userId: UserId = UserId("@john.doe:matrix.org"),
-    displayName: String = "John Doe",
+    displayName: String = USER_NAME_JOHN_DOE,
     userAvatarUrl: String? = null,
     avatarActions: List<AvatarAction> = emptyList(),
     saveButtonEnabled: Boolean = true,
diff --git a/features/userprofile/shared/src/main/kotlin/io/element/android/features/userprofile/shared/UserProfileHeaderSection.kt b/features/userprofile/shared/src/main/kotlin/io/element/android/features/userprofile/shared/UserProfileHeaderSection.kt
index ac146a36a7..5ba0280b14 100644
--- a/features/userprofile/shared/src/main/kotlin/io/element/android/features/userprofile/shared/UserProfileHeaderSection.kt
+++ b/features/userprofile/shared/src/main/kotlin/io/element/android/features/userprofile/shared/UserProfileHeaderSection.kt
@@ -37,6 +37,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.modifiers.niceClickable
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.theme.components.ButtonSize
 import io.element.android.libraries.designsystem.theme.components.OutlinedButton
 import io.element.android.libraries.designsystem.theme.components.Text
@@ -140,7 +141,7 @@ internal fun UserProfileHeaderSectionPreview() = ElementPreview {
     UserProfileHeaderSection(
         avatarUrl = null,
         userId = UserId("@alice:example.com"),
-        userName = "Alice",
+        userName = USER_NAME_ALICE,
         verificationState = UserProfileVerificationState.VERIFIED,
         openAvatarPreview = {},
         onUserIdClick = {},
@@ -154,7 +155,7 @@ internal fun UserProfileHeaderSectionWithVerificationViolationPreview() = Elemen
     UserProfileHeaderSection(
         avatarUrl = null,
         userId = UserId("@alice:example.com"),
-        userName = "Alice",
+        userName = USER_NAME_ALICE,
         verificationState = UserProfileVerificationState.VERIFICATION_VIOLATION,
         openAvatarPreview = {},
         onUserIdClick = {},
diff --git a/features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/ui/VerificationUserProfileContent.kt b/features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/ui/VerificationUserProfileContent.kt
index edaadc583d..c398d72ddd 100644
--- a/features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/ui/VerificationUserProfileContent.kt
+++ b/features/verifysession/impl/src/main/kotlin/io/element/android/features/verifysession/impl/ui/VerificationUserProfileContent.kt
@@ -29,6 +29,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.utils.CommonDrawables
 import io.element.android.libraries.matrix.api.core.UserId
@@ -86,7 +87,7 @@ internal fun VerificationUserProfileContentPreview() = ElementPreview(
     VerificationUserProfileContent(
         user = MatrixUser(
             userId = UserId("@alice:example.com"),
-            displayName = "Alice",
+            displayName = USER_NAME_ALICE,
             avatarUrl = "https://example.com/avatar.png",
         )
     )
diff --git a/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/LocationPin.kt b/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/LocationPin.kt
index 9e783d605c..4940f2f965 100644
--- a/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/LocationPin.kt
+++ b/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/LocationPin.kt
@@ -54,6 +54,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.utils.CommonDrawables
 
 private val PIN_WIDTH = 42.dp
@@ -395,7 +396,7 @@ private object LocationPinRenderer {
 internal fun LocationPinPreview() = ElementPreview {
     val sampleAvatarData = AvatarData(
         id = "@alice:matrix.org",
-        name = "Alice",
+        name = USER_NAME_ALICE,
         url = null,
         size = AvatarSize.SelectedUser
     )
diff --git a/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/avatar/DmAvatars.kt b/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/avatar/DmAvatars.kt
index c5b870507b..f19796e053 100644
--- a/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/avatar/DmAvatars.kt
+++ b/libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/avatar/DmAvatars.kt
@@ -29,6 +29,8 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.LayoutDirection
 import io.element.android.libraries.designsystem.preview.ElementThemedPreview
 import io.element.android.libraries.designsystem.preview.PreviewGroup
+import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
+import io.element.android.libraries.designsystem.preview.USER_NAME_BOB
 import io.element.android.libraries.designsystem.text.toPx
 import io.element.android.libraries.testtags.TestTags
 import io.element.android.libraries.testtags.testTag
@@ -116,12 +118,12 @@ internal fun DmAvatarsPreview() = ElementThemedPreview {
     DmAvatars(
         userAvatarData = anAvatarData(
             id = "Alice",
-            name = "Alice",
+            name = USER_NAME_ALICE,
             size = size,
         ),
         otherUserAvatarData = anAvatarData(
             id = "Bob",
-            name = "Bob",
+            name = USER_NAME_BOB,
             size = size,
         ),
         openAvatarPreview = {},
diff --git a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt
index 13747a1a3d..12fa54add1 100644
--- a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt
+++ b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt
@@ -22,6 +22,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.USER_NAME_BOB
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.ui.model.InviteSender
@@ -57,10 +58,10 @@ internal fun InviteSenderViewPreview() = ElementPreview {
     InviteSenderView(
         inviteSender = InviteSender(
             userId = UserId("@bob:example.com"),
-            displayName = "Bob",
+            displayName = USER_NAME_BOB,
             avatarData = AvatarData(
                 id = "@bob:example.com",
-                name = "Bob",
+                name = USER_NAME_BOB,
                 url = null,
                 size = AvatarSize.InviteSender,
             ),
diff --git a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/OrganizationHeader.kt b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/OrganizationHeader.kt
index 374ebd7a1a..0a1e3bdc87 100644
--- a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/OrganizationHeader.kt
+++ b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/OrganizationHeader.kt
@@ -27,6 +27,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.components.avatar.anAvatarData
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.SPACE_NAME
 
 /**
  * Ref: https://www.figma.com/design/G1xy0HDZKJf5TCRFmKb5d5/Compound-Android-Components?node-id=3643-2048&m=dev
@@ -72,7 +73,7 @@ internal fun OrganizationHeaderPreview() = ElementPreview {
             url = "anUrl",
             size = AvatarSize.OrganizationHeader,
         ),
-        name = "Space name",
+        name = SPACE_NAME,
         numberOfSpaces = 9,
         numberOfRooms = 88,
     )
diff --git a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/SpaceHeaderView.kt b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/SpaceHeaderView.kt
index 97aa6ea613..7aee62902f 100644
--- a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/SpaceHeaderView.kt
+++ b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/SpaceHeaderView.kt
@@ -30,6 +30,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarType
 import io.element.android.libraries.designsystem.components.avatar.anAvatarData
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.preview.SPACE_NAME
 import io.element.android.libraries.designsystem.preview.USER_NAME_ALICE
 import io.element.android.libraries.designsystem.preview.USER_NAME_BOB
 import io.element.android.libraries.designsystem.preview.USER_NAME_CHARLIE
@@ -119,7 +120,7 @@ internal fun SpaceHeaderViewPreview() = ElementPreview {
             size = AvatarSize.SpaceHeader,
         ),
         alias = RoomAlias("#spaceAlias:matrix.org"),
-        name = "Space name",
+        name = SPACE_NAME,
         topic = "Space topic: " + LoremIpsum(40).values.first(),
         topicMaxLines = 2,
         visibility = SpaceRoomVisibility.Public,