Stan:

He can play the guitar, and the kazoo very well

Kyle:

He can do a handstand for hours 

Eric:

Hes actually good at science and he can make stuff explode

Kenny:

He can paper fold like origami or like making paper planes

Craig:

He can draw very well

Tweek:

He has an excellent shot, like if he were toss a ball into a hoop he would never miss

Token:

He can sing very very well

Clyde:

He's really good at cooking stiff when he wants to 

Jimmy:

He's a beast at any board game

Butters:

He can dance like good?