I nominate...
Natsu (Fairy Tale)
Because he is Raised by a dragon!
Issun (Okami)
Because he is frikkin' small and still doesn't take shit from anybody
Strong Bad (Homestarrunner)
Don't know if he can be in, but he's just awesome.
Garfield (Garfield)
Come on, even his name says GAR!
Yamato (Naruto)
He can control wood!
Rico Rodriguez (Just Cause 2)
Just 'cause! 2!