Brainz a badnik who is similar to a bat. He appears at Sonic DS Blast and gives us a tip.
Brainz is similar to other badniks: BatBrain (dark blue head passing the non-impactor) and Batbot (wings from the bottom turquoise, and from the top yellow sinking legs light bulb (here yellow)).
- He plays the role of another character: Omochao.
- It is the only known building that is good.