Bloo (voiced by Keith Ferguson) is a character from Foster's Home for Imaginary Friends. He's the imaginary friend of Mac. He can act very selfish at times, and hates the house rules.
- Bloo will meet Jeffrey, Jaden, Sonic and their friends in Jeffrey, Jaden & Friends' Storm Adventures of Foster's Home for Imaginary Friends: Destination Imagination.
- Bloo will meet the Cyberchase Fighters in Michael Buzz and Delete's Adventures of Foster's Home For Imaginary Friends: Destination Imagination and join the Cyberchase Fighters along at the end with Mac, Wilt, Eduardo, and Coco.