This officially-licensed South Park costume is sure to be a hit among teens familiar with the TV show. An Eric Cartman look-alike would definitely be a scary sight, so dress him in South Park gear ($44.95). This padded jacket, gloves and an over-sized foam head mask will have him feeling illustrated and in style.

Tip: When trick-or-treating he can mimic Cartman's signature laugh or Southern accent. Another funny phrase from the show? "Respect my authority."

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