"A lot of species only have two legs," he answers, raising one arm while the other folds behind his back. Something that will be eventually known as 'Brainy's Lecture Mode'. "At least where I'm from. I theorise you must be from an alternate dimension or another galaxy if this fact is unusual to you.

"As for how I move around without falling over, I personally have many highly advanced programs that assist in replicating natural behaviours of organic species. Something that maintains a sense of balance is not only extremely simplistic, but also inherent in my original design specs."

Lecture-mode off, and now he's back to being interested in Ax. "Why do you want to be a warrior?"