Rusty

Rusty is a student of Glenbrook Academy in Mr. Pryce-Jones's 3rd grade class. He beat Buster in the pie eating contest because of his 18-liter stomach, which he got from practice eating giant breakfasts.

Physical appearance
Rusty is an aardvark similar in head shape to Arthur's, but with a much darker complexion.

He wears the Glenbrook uniform with a white collared shirt, a dark blue tie, a light blue V-neck shirt, and a medium blue jacket bearing the Glenbrook insignia.

Arthur

 * "The Return of the King"
 * "Arthur's Almost Live Not Real Music Festival"

Books

 * Chapter Book #13: King Arthur