Fangbone!
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Synopsis: After traveling through a magical portal, young barbarian warrior Fangbone ends up in a third-grade class in suburbia. He must prevent Venomous Drool, an evil sorcerer, from being reunited with his big toe. To help him achieve this, the warrior teams up with Bill, a boy whose weirdness is his best weapon, to battle Drool’s monster henchmen and other bad guys who want to acquire the toe to be able to use its evil powers.
More info: IMDB