Fangbone!

Fangbone is a nine-year-old barbarian warrior from Skullbania who has landed in Eastwood Elementary's third grade class to save his native land from the vile villain, Venomous Drool. With the help of his new sidekick Bill, a lovable, normal, goofy kid, Fangbone outwits his enemies while discovering the modern world, and the realities of his own world.