This is a list of members of the Koopa family in A day with Bowser Jr.
Adults
Children
- Bowser Jr.
- Larry Koopa
- Morton Koopa Jr.
- Wendy O' Koopa
- Iggy Koopa
- Roy Koopa
- Lemmy Koopa
- Ludwig von Koopa
Pets
- Chompy (Iggy's pet)
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