|First Appearance||The Nightmare Begins|
|Voice Actor||Jhonen Vasquez|
Role in Invader ZIM
Brian first appeared in The Nightmare Begins, refuting Dib's assertion that Zim is an alien by stating that Old Kid was probably an alien as well, following his line of logic. He had another speaking role in Bolognius Maximus, where he teased Zim by calling him 'Bologna-boy'.
Because Ms. Bitters was getting tired of him, Brian was sent to the "Underground Classroom" in Tak: The Hideous New Girl with Poonchy replacing him. Though never stated due to Nickelodeon's censorship policies, it is implied that he died, since he never returned (and Jhonen stated in the episode's commentary that he was glad to be done with him). Despite that, Brian can be seen clinging to the head of Peaches in The Most Horrible X-mas Ever.
|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|