Attention Deficit Disorder (ADD), has Tourettes, 17, Buddhism
drinks lots of coffee, which is laced with meth, which causes paranoia and jittery muscle spasms. 
It is shown that Tweek can play the piano relatively well when not under stress. Tweek is also quite good at fighting
Tweek is a good baker
almost constantly on the verge of outright panic. seen gritting his teeth
slightly calmer with less twitches and spasms when around Craig. Easily manipulated 
Hes gay, and dating Craig Tucker. 