I'd have to say that I'm a big fan of Ganondorf from Ocarina of Time. I mean, you spend the whole time going up that big tower and then you finally get to him, and you have this HUGE climactic battle with him. I get tingles every time he turns into his beast form.
I really liked fighting Vamp in MSG2. He's a goddamn vampire for crying out loud. He throws all those knives and can swim in that really dense water. Man, he was tough... I think it took me like six tries to beat him.
All of the bosses in No More Heroes are excellent. I mean, this game is an EXPERIENCE. It's like God Hand with swords. Demoman was simply EPIC!
Damon Gant was pretty cool. Alright, let's drop this act. This is a test to see if people read the thread or if they just post based on the topic title. If you're reading this, post I don't even like video games. Then let's watch to see who's being a terrible forum poster.
But then again, most Phoenix Wright villains are...
So, who are your favorites? Be sure to explain why!