3rd Grade Male Dog (Number 5)

3rd Grade Male Dog is an unnamed third grader who made his debut in the episode April 9th. Information on this character is limited because of his short appearances throughout the episode. He attends Mighty Mountain Elementary School. Unlike most of the kids usually seen on the Mighty Mountain Soccer Team he has rarely been seen playing with the team. He has never spoken. He has only been seen once.

Physical appearance
3rd Grade Male Dog is a dog with a brown complexion. He wears a blue sweater, gray khakis, and blue and white sneakers.