Name	Known for
Richard Steven Horvitz ZIM (voice) ZIM (voice) See fewer	Invader ZIM: Enter the Florpus (2019)
Rikki Simons GIR (voice) (as Rosearik Rikki Simons) GIR (voice) (as Rosearik Rikki Simons) See fewer	Invader ZIM (2001)
Andy Berman Dib Membrane / Dib's Computer (voice) Dib Membrane / Dib's Computer (voice) See fewer	Psych (2006)
Melissa Fahn Gaz Membrane (voice) Gaz Membrane (voice) See fewer	Cowboy Bebop (1998)
Rodger Bumpass Professor Membrane / Spleenk (voice) Professor Membrane / Spleenk (voice) See fewer	SpongeBob SquarePants (1999)
Lucille Bliss Ms. Bitters (voice) Ms. Bitters (voice) See fewer	Cinderella (1950)
Wally Wingert Almighty Tallest Red / Vort Engineer / Resisty Computer (voice) Almighty Tallest Red / Vort Engineer / Resisty Computer (voice) See fewer	Final Fantasy VII: Advent Children (2005)
Kevin McDonald Almighty Tallest Purple (voice) (as Kevin Hamilton McDonald) Almighty Tallest Purple (voice) (as Kevin Hamilton McDonald) See fewer	The Kids in the Hall (1988)
Mo Collins RoboMom (voice) RoboMom (voice) See fewer	Parks and Recreation (2009)
Olivia d'Abo Tak's Computer (voice) Tak's Computer (voice) See fewer	Conan the Destroyer (1984)
Paul Greenberg Shloonk Tapooxis (voice) Shloonk Tapooxis (voice) See fewer	Tommy Boy (1995)
Michael McDonald RoboDad / Irken Crew Member (voice) RoboDad / Irken Crew Member (voice) See fewer	Mad TV (1995)
Fred Tatasciore Lard Nar (voice) Lard Nar (voice) See fewer	Team America: World Police (2004)
Jhonen Vasquez Computer / Candy Kid (voice) (as Mr. Scolex) Computer / Candy Kid (voice) (as Mr. Scolex) See fewer	Invader ZIM (2001)