Mikey Walsh (aka Michael "Mikey" Walsh) (actor: Sean Aston) is a member of the Goonies and one of Pooh's friends. He is the little brother of Brand Walsh. He first met Winnie the Pooh and his friends and first appeared in Pooh's Adventures of The Goonies.
- Mikey will meet Littlefoot and his friends in Littlefoot's Adventures of The Goonies.
- Mikey and his gang will meet SpongeBob SquarePants, Ash Ketchum, Simba, and their friends in SpongeBob's Adventures of The Goonies.
- Mikey, his older brother Brand, and their friends will make their first guest appearance in a Land Before Time crossover film and meet Stan Marsh, Kyle Broflovski, Eric Cartman, Kenny McCormick, Scooby-Doo, Shaggy Rogers, Fred Jones, Daphne Blake, Velma Dinkley, Jesse Greenwood, Celebi, Slimer, and Stay Puft in Littlefoot's Adventures of The Black Cauldron.
- Mikey and the gang will make their first guest appearance in a SpongeBob SquarePants crossover film and guest star with Terk, Tantor, Genie, and Zazu in SpongeBob SquarePants Meets The Hunchback of Notre Dame.
- Mikey and the gang will make their first guest appearance in a Winnie the Pooh crossover film in Pooh's Adventures of Avatar.