Characters
- Grandpa Buttowski (debut/only speaking appearance)
- Gunther Magnuson (as himself and his ancestor)
- Mr. Vickle (cameo as himself/non-speaking cameo as his ancestor)
- Brad Buttowski (as himself and in flashback as The Dictator)
- Horace (his ancestor)
- Pantsy (his ancestor)
- Jackie Wackerman (as herself and her ancestor)
- Wade (as himself and his ancestor)
- Ms. Chicarelli (as Thinky McTellsalot (her ancestor)/non-speaking cameo)
- Rock Callahan (his ancestor)
- Janitor (his ancestor/non-speaking cameo)