Coach Walrus is the gym teacher of the Skool. She made her only appearance on the show at the beginning of "Vindicated!", when she sent Dib to the counselor's office because she found his screams "scary". She didn't reappear until Issue 32 of the comic series. She was voiced by Fred Tatasciore.
She bears a strong resemblance to an obese man, leading some viewers to think that she is male. This, combined with her massive, tusk-like lower canines, gives her the appearance of her namesake.
Like the stereotype of all gym teachers, Coach Walrus seems to derive enjoyment from watching kids in pain. She also has very unreasonable expectations, and saw no issue in forcing Zim and Dib to face off in the brutal "Ultimate Dodgeball". Like most humans, she was highly contemptuous of Dib, but found his ravings amusing. However, she eventually decided that they were "just scary", and sent him to the counselor's office.
In Issue 32, Coach Walrus seems to consider National Fitness Day as a way of making children suffer and teaching them that they're not good enough.
|Characters of Invader Zim|
|Zim • GIR • Dib Membrane • Gaz Membrane|
|Almighty Tallest Purple • Almighty Tallest Red • Ms. Bitters • Professor Membrane|
|Invader Skoodge • Keef • Minimoose • Tak • President Man • Roboparents • Lard Nar • Skool Principal|
|Adult Dib • Old Kid • Hobo • Alan • Meef • Skoolchildren|
|Mortos der Soulstealer • Sergeant Slab Rankle • Sergeant Hobo 678 • Shadow Hog • Chickenfoot • Sizz-Lorr • Gashloog • Willy • Iggins • Walton Chunky • Pigboy|
|Louie • Digestor • Almighty Tallest Spork • Almighty Tallest Miyuki • Bloody GIR • Cthulu • Cybernetic Kitten • Dinky • Little Timmy|