Goo is a supporting character in Foster’s Home for Imaginary Friends. She was the creator of many imaginary friends since her first episode called “Go, Goo, Go!”. She is the only black character in the series, along with Mac’s Teacher. She was voiced by Grey DeLisle, who also voiced Frankie Foster, Berry, Young Man Rivers, Duchess, Vicky and Yumi Yoshimura. And as a Teenager, she was voiced by Anairis Quinones.