Sōsuke Aizen

Aizen is the main villain from the anime Bleach.

Origin
Aizen appeared to be a normal person as he grew up, but he never really seemed to care about anyone other than himself. He maintained a polite and friendly facade to lull those around him into a false sense of security.

Goals and Ambitions
Aizen's only desire to conquer the entire world, and enslave the inhabitants.