User blog comment:Cattigan619/Gumball Beta 2 Released!/@comment-3240098-20140908124501/@comment-3495717-20140908163215

Required sprites are basically for compatibility's sake. The throw state the opponent gets put into uses the specified sprites from their own sprite file - no animation is needed, just the sprites.

Tell me, does Gumball's throw work with other characters, or do they disappear?