Gairyū (ガイリュウ) is a member of the Decepticon Dinoforce who becomes a stampeding ankylosaurus when bonded with his dinosaur Pretender shell. Like most of the Dinoforce, Gairyū is both innocent and stupid. He can combine with his fellow teammates to form Dinoking. English-Malay dub name: Bristleback Russian dub name: Щётка ("Chetka", Brush)