It could've been all filler scenes but Piccolo (and Krillin for that matter) have multi-forms. One of the filler scenes show Piccolo fighting another Piccolo, so going in solo works perfectly well for him.
I am announcing @Warmmedown as the winner of this contest.
During one of his 14,000 word posts on the increasing use of AI in Meta social networks, (can't find the topic anymore because Nila buried it with topics such as "Do You Pre Cum?" and "Did you mix your Gameboy batteries?") Coldmedown...
An influencer pokemon. It has tons of HP, rests, recovers, and does nothing redeeming in particular. You have to trade it in to do the get the Job sidequest.