Birdy

Cowboy Bebop

Dragonball

Flame of Recca

Gundam Wing

Hunter x Hunter

Inuyasha

Mononoke Hime

Oddments

Outlaw Star

Ranma 1/2

Rurouni Kenshin

Trigun

Yuu Yuu Hakusho

Split personality
Looking at this cel you would never guess that Kurapica once screamed like a little girl at Leorio stepping out of the shower. Here he's almost wandering into Harmless Looking Villain territory.
 
Added: 2/17/08
 
Split personality