Eileen is a character from the animated TV series "Regular Show". She is portrayed as a female mole who is very humanoid in appearance, with tan fur, red round glasses, and excluding her toes and tail. Eileen is an intelligent and shy character who works at a coffee shop with her best friend Margaret. She has a crush on Rigby, another character from the show, but he is usually clueless about it. In the series finale, Eileen and Rigby move in together and start a family.