Tweek Tweak (voiced by Matt Stone) is a fourth grader at South Park Elementary in the animated series South Park.  Tweek drinks too much caffeine and originally appears in season two working on a class project with Stan, Kyle, Kenny, and Eric.  He is in a relationship with Craig Tucker.  Tweek has spiky blonde hair and wears blue jeans and black shoes.  His top is an olive green shirt which is improperly buttoned, so be sure to be as wonky as possible with the fastenings when you don yours as part of your costume.

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