|Mmmboing held by its creator, Bowie.|
Mmmboing is a special bouncy ball that first started bouncing in the pilot, Strong Suit, and has never stopped since.
It contains a motion powered nano-generator that allows it to bounce forever, literally.
- A running gag is that it will often appear out of nowhere.
- Despite being an inanimate object, everyone addresses Mmmboing as "he", suggesting that Mmmboing is male.
- In Philharmonica, It had a ball wife and tons of kids whom also bounces forever. Whereabouts of the ball wife and kids are unknown after Mmmboing and its wife's wedding
- In the finale, Mmmboing became a famous pop star.
- Mmmboing is temporarily held in place by Mr. Gournisht in Flycycle, but it resumes bouncing after leaving his hand.