Ones I can remember off the top of my head? Uhhhh
ALL OF EMMETT'S TAUNTS - his make your opponent look like dirt
"WHO WANTS SOME?!"
"Guess you like to learn things the hard way"
"You're dust" *spits*
ALL OF KAT'S - I just love hearing her talk.. it sounds funny
Fat Princess's "nanananananah" - It is hilarious
Radec's Knife Skills taunt - It says things like it is....
"YOU LACK SKILL"
Spike's "YOU'LL NEVER WIN" - Classic stuff right there
Toro's push ups -
Nate's "You look like hell" - Hehe, good ol' Nathan Drake....
Heihachi's I'm Eating taunt - I love using this one while Kuma is summoned
Heihachi's Laugh - HAHAHAHAHAHA
Raiden's "I'm a machine" - Nothing personal, but....
Nariko's "You call yourself a warrior?" - Making fun of your enemies is always fun
Sir Dan's mumbling... - I am sorry for not speaking teh Sir Daniels
Sweet Tooth's - "Hello boys and girls" and the one where he dances
Those are all the ones worth mentioning for me
Ratchet's taunt: Get ready to be wrenched. He says that while throwing his wrench around.
Toro's "Dont make me giggle".
Emmet's "Deadshot" and "A man's man".
Sly's "Better stay sharp" and "Chasing shadows".
Good Cole's "Wanna see a trick?" and all three of Evil Cole's taunts.
Everything Daxter says. I mean seriously, he speaks in taunts, not english but the language of taunting.
Honorable mention: Jak and Daxter's idle animation. If only it were actually a taunt.