need ideals for childhood friend turn evil

[mojojo1984]

hey everyone,
it's me again.sorry to bother everyone again.but i was hoping anyone knew any animes beside gundam seed and x that two best friends fight in different sides and become enemies.i'm doing research for a superhero story i'm working on.
thank you all for your time.
-Joe:)

[MKTerra]

Code Geass (http://forums.comicbookresources.com/showthread.php?t=161560) is good. It's not finished or officially translated yet though.

[NilExtropus]

Berserk (but read the manga the anime doesn't explain the concept as well)

[Sean Whitmore]

Akira springs to mind.


SEAN

[The Xenos]

Trigun has two brothers at odds with each other.