The Performing Hamsters only appeared in Reader Rabbit: Learn to Read with Phonics. They help Mat get the letters back. They all sing Hamsters' Song which reveals how they got together.
- Nellie is a gray hamster, and the song she sings is Nellie's Song. She is the only female performing hamster in the group.
- Calhoun is a brownish red hamster, and the song he sings is Calhoun's Song.
- Lefty is a brown hamster, and the song he sings is Lefty's Song.
- Milton is an orangy red hamster, and the song he sings is Milton's Song.