Craig's most distinguishing physical feature is his blue chullo hat topped with a yellow puffball.One of his traits is his compulsive tendency to flip people off,usually for no discernible reason.He leads the group known as Craig's Gang.|According to his parents,Tweek suffers from Attention Deficit Disorder(ADD)but it is revealed that his parents lace his coffee(and all the coffee they sell)with Meth,which he drinks like water.Tweek is always jittery and Shakey, yells alot and pulls at his hair