Rikki Simons, also known as Rosearik Rikki Simons is an actor, writer, and illustrator, mostly known for voicing GIR, the robot in a dog suit on the Nickelodeon animated TV series, Invader ZIM. Rikki was born in California's Inland Empire area. When not voice acting he writes novels and paints and draws. He has worked in publishing and comics, in television and movies, and animation, sometimes as crew, sometimes as cast. He lives with his wife, the illustrator Tavisha Wolfgarth-Simons in Los Angeles. They create comics together.