diff --git a/codex-rs/tui/src/avatars/assets.rs b/codex-rs/tui/src/avatars/assets.rs
index 74113a7a72..4f8780bd1d 100644
--- a/codex-rs/tui/src/avatars/assets.rs
+++ b/codex-rs/tui/src/avatars/assets.rs
@@ -15,6 +15,8 @@ const CHLOE_SHEET: &[u8] = include_bytes!("../../assets/chloe-r2-09/sheet.png");
 const CHLOE_LOCKED_IN_MANIFEST: &str =
     include_str!("../../assets/chloe-r2-09-locked-in/avatar.json");
 const CHLOE_LOCKED_IN_SHEET: &[u8] = include_bytes!("../../assets/chloe-r2-09-locked-in/sheet.png");
+const CENTURION_MANIFEST: &str = include_str!("../../assets/centurion/avatar.json");
+const CENTURION_SHEET: &[u8] = include_bytes!("../../assets/centurion/sheet.png");
 const CLANKER_CHARACTER_MANIFEST: &str = r#"{
   "schemaVersion": 1,
   "id": "clanker",
@@ -58,6 +60,11 @@ const BUNDLED_AVATARS: &[BundledAvatar] = &[
         manifest: CHLOE_LOCKED_IN_MANIFEST,
         sheet: CHLOE_LOCKED_IN_SHEET,
     },
+    BundledAvatar {
+        id: "centurion",
+        manifest: CENTURION_MANIFEST,
+        sheet: CENTURION_SHEET,
+    },
 ];
 
 /// Materialize built-in packs without overwriting an existing user-owned id.
@@ -206,6 +213,7 @@ mod tests {
                 .is_file()
         );
         assert!(dir.path().join("avatars/clanker/avatar.json").is_file());
+        assert!(dir.path().join("avatars/centurion/avatar.json").is_file());
         assert!(
             dir.path()
                 .join("characters/chloe/avatar/locked-in/avatar.json")
diff --git a/codex-rs/tui/src/pets/ansi_half_block_tests.rs b/codex-rs/tui/src/pets/ansi_half_block_tests.rs
index e60c1aeb9f..0e3e76e577 100644
--- a/codex-rs/tui/src/pets/ansi_half_block_tests.rs
+++ b/codex-rs/tui/src/pets/ansi_half_block_tests.rs
@@ -41,6 +41,30 @@ fn renders_24px_avatar_as_twelve_truecolor_half_block_rows() {
     assert_eq!(buffer[(23, 0)].fg, Color::Rgb(0, 0, 255));
 }
 
+#[test]
+fn renders_bundled_centurion_avatar() {
+    let sheet = image::load_from_memory(include_bytes!("../../assets/centurion/sheet.png"))
+        .unwrap()
+        .into_rgba8();
+    let image = image::imageops::crop_imm(&sheet, 0, 0, 24, 24).to_image();
+    let frame = AnsiHalfBlockFrame::from_image(image).unwrap();
+    let area = Rect::new(0, 0, AVATAR_WIDTH, AVATAR_HEIGHT);
+    let mut buffer = Buffer::empty(area);
+
+    frame.render(area, &mut buffer);
+
+    let rendered = (0..AVATAR_HEIGHT)
+        .map(|row| {
+            (0..AVATAR_WIDTH)
+                .map(|column| buffer[(column, row)].symbol())
+                .collect::<String>()
+                .replace(' ', "·")
+        })
+        .collect::<Vec<_>>()
+        .join("\n");
+    assert_snapshot!(rendered);
+}
+
 #[test]
 fn transparent_pixels_keep_the_default_background() {
     let mut image = RgbaImage::from_pixel(24, 24, Rgba([0, 0, 0, 0]));
diff --git a/codex-rs/tui/src/pets/snapshots/codex_tui__pets__ansi_half_block__tests__renders_bundled_centurion_avatar.snap b/codex-rs/tui/src/pets/snapshots/codex_tui__pets__ansi_half_block__tests__renders_bundled_centurion_avatar.snap
new file mode 100644
index 0000000000..6e1aef56ff
--- /dev/null
+++ b/codex-rs/tui/src/pets/snapshots/codex_tui__pets__ansi_half_block__tests__renders_bundled_centurion_avatar.snap
@@ -0,0 +1,16 @@
+---
+source: tui/src/pets/ansi_half_block_tests.rs
+expression: rendered
+---
+········▄▀▀▄▄▄▄▄▄·······
+······▀▀▀▀▀▀▀▀▀▀▀▀▄····▀
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