Foo is a fictional, Non-Canon character that appears in the Fanon Universe of the Fairly OddParents!. His main Debut appearance was in the Fanmade Episode Two Sides Of Myself Parts 1 & 2. He has only appeared in one episode, And probably will never make another appearance. His creation was a accidental mishap, Meaning he is actually half Evil and half Good. He was finally destroyed by being fused together with his siblings, Poof, Foop, and Oop. After the risky task was finally complete, meaning they were all fused together again, Foo was never seen or heard of again. If he does make another appearance, It will probably be a cameo.