CB-3255X Killer Bee

The  is Sean Crawford's personal mobile suit. It is manufactured by Celestial Being for use by Katharon's forces led by Sean during the Stardust Conflict and the Polaris Conflict.

It also played a critical role in the Psycho Gundam Outbreak, with Sean returning after a long absence in a mission to defend the earth from the Psycho Gundam Mk-II.