Grandma Mumu was the grandmother of Professor Utonium and the great grandmother of the Powerpuff Girls, who appeared in a photo in the short Ping Pong Z. She had a similar appearance toProfessor Utonium .
Appearances[]
| Shorts | ||||||||||||
| 1. "Who's Got the Power?": | Absent | 6. "Bubbs & Donny Get the Mail": | Absent | |||||||||
| 2. "Air Buttercup": | Absent | 7. "Bedtime": | Absent | |||||||||
| 3. "Bubbles' Beauty Blog (but on Video)": | Absent | 8. "Mojo Builds a Shelf": | Absent | |||||||||
| 4. "Run, Blossom, Run!": | Absent | 9. "I’ll Be Bake": | Absent | |||||||||
| 5. "Ping Pong Z": | Pictured | 10. "Blissfully Unaware": | Absent | |||||||||
Gallery[]
