12 oz mouse Wiki
Matt Maiellaro
Matt Maiellaro.jpg
Name Matt Maiellaro
Gender Male
Birthday August 17, 1966
Voices Mouse Fitzgerald

Matt Maiellaro is an American voice actor, filmmaker, and a musician, best known as the co-creator and writer of the Adult Swim series Aqua Teen Hunger Force, and the creator of 12 Oz. Mouse. He provides the voice of the series' main character Mouse Fitzgerald.


  • Matt Maiellaro plays the guitar in his office.
  • Maiellaro casts people around his office to voice most of the characters in the show.
  • He originally only gave the scratch dialogue for the voice of Mouse Fitzgerald during production of the pilot episode, but chose himself to voice Mouse regularly after hearing his lines assembled in the final cut.