I don't play many fighting games, but here are my mains for the ones I do play:
Smash Bros.: Mr. Game & Watch (Melee); Ike, Wolf (Brawl); Shulk, Lucina, Ganondorf (Wii U/3DS)
BlazBlue: Jin (Calamity Trigger); Hazama (Chronophantasma)
Naruto Ultimate Ninja Storm Revolution: Kakashi, Shisui