nah they're different
I don't actually hate Cammy that much in SF4, I recognize that I suck against her because I don't know how to play that game.
Twelve is not a 3S character. he's annoying, his only offense is random air dash ins, and he has a moveset designed for him to play keep away. he's either the worst or second worst character in the game, but it doesn't matter because every second you spend playing against him is a moment your life is getting worse. he just does random s*** and it either works or it doesn't. he's free against Chun but he makes Elena's life miserable.
if I had to compare him to a SSF4 character it'd be Fuerte. but Fuerte is not as bad as him by a long shot.
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http://www.youtube.com/watch?v=npHDxSvwCE0