The Fogbark Monster is a giant slimy beast. When Harvey, Fee and Foo pulled a prank on him, he captured them and attempted to eat them. Harvey prank called the Fogbark Monster to distract him while he, Fee and Foo escaped. The monster tried to chase after them but gave up rather quickly.
The Fogbark Monster has a small head with little arms attached on each side of his head. The lower part of him is gigantic with a larger second pair of arms. His eyes are light green with red slit pupils and has a single fang.