Eileen Roberts, better known as Eileen, is a light-brown female humanoid beaver person who appears in the animated Cartoon Network series Regular Show. She works at a coffee shop and is Margaret's friend. However in Season 5 and in some episodes of Season 6, she is CJ's friend. She also has somewhat of a crush on Rigby, and in the episode "Dumped at the Alter", it is revealed that she and Rigby are dating and are officialy a couple. She is voiced by storyboard artist and writer, Minty Lewis.