|"3rd Grade Male Dog (Number 5)" is not an official name.|
|3rd Grade Male Dog|
|Cartoon debut||April 9th|
3rd Grade Male Dog is an unnamed third grader who attends Mighty Mountain School. Unlike most of the kids usually seen on the Mighty Mountain Soccer Team he has rarely been seen playing with the team.
3rd Grade Male Dog is a dog with a brown complexion. He wears a blue sweater, gray khakis, and blue and white sneakers.