Huxley

From Muppet Wiki

Huxley is the villain in The Adventures of Elmo in Grouchland. Huxley is a greedy thief who takes everything he can get his hands on, depriving the Grouches of Grouchland USA of their most treasured junk. He is assisted in his capers by Bug and the Pesties. He steals Elmo's blanket, rechristening it his "wooby."