Cannonball

 is an unlockable Ringout in MultiVersus.

How to Unlock
Purchase for 1,200 Gleamium via the Seasonal Items shop.

Origin
This Ringout is based on the iconic scene in The Iron Giant in which the Iron Giant cannonball dives into a lake and accidentally creates a gigantic tidal wave. Hogarth and Dean can be seen caught in the wave, just as they were in the film.