This is a custom sound effect by Nelvana. It contains both OMI, Cartoon FX - Boing 01 and OMI, Cartoon FX - Bell and Horn Bonk.
Used in
- The Backyardigans (Heard in "The Legend of the Volcano Sisters" and "Best Clowns in Town".)
- Johnny Test
- Pet Squad
- Rolie Polie Olie
- Skatoony
- Yam Roll