Irwin

Irwin is an anthropomorphic dog that appears in the episode Home Sweet Home. He first meet Buster at Camp Meadowcroak and just like Buster he is also a third grader. He also has a friend named Sanjeev who goes to the same school as himself and it's possible the whole third grade class is there too. He is very kind and he and Sanjeev both become friends with Buster. Any future appearances is unknown at this time.

Appearance
Irwin is a dog with a cream complexion and he wears a green sweater with a hoodie, black colored jeans, and red and white colored sneakers.