Troll Chief is the name of the mining mole trolls' leader and appears in the Where's Waldo? episode "It's A Gruel, Gruel World". The trolls live in caves and mine mushrooms. The trolls have read about Waldo, and he had become a big legend in the trolls' culture. They even grow a special mushroom just for Waldo. Troll Chief was voiced by Jim Cummings.