Not to be confused with Jerry's nephew Nibbles Mouse.
Nipper Mouse (formerly called Nibbles) is a character that only appeared in the Chuck Jones-era, appearing Tom and Jerry cartoon The Year of the Mouse. He is Jerry's friend as they pull tricks on Tom, which soon would go to far that Tom traps him and Jerry to a jar as there punishment.
Tom and Jerry
- He coincidentally has the same name as Nibbles "Tuffy" Mouse.
- Fans may mistake from Nipper to Nibbles Mouse, which he has the same color scheme him, except he doesn't wear a diaper.
- He presumably replaces Nibbles in the Chuck Jones-era.