Koosalagoopaloop, Dee Dee's imaginary friend, is a parody of Snufflupagus, Big Birds imaginary friend.
Koose's glowing heart is a reference to the Care Bears.
Various scenes in "Hungery Strikes" spoofs the 1970's series. For example, this line, "You're making me hungry! You won't like me when I'm hungry." Which is a parody of, "You're making me angry! You won't like me when I'm angry."