Reality TV may not be the best place to find anything realistic, but it can be a good place to find people who would fit right in an anime.
Take Chris, for example. Chris was a contestant in Steve Austin's Broken Skull Challenge. Broken Skull Challenge is one of those shows where (really fit) people do physical challenges, as the name suggests. Here's a clip, found by r/videos, which shows just how exaggerated the contestants can become:
Chris, despite his screams and even transformation into a lizard, did not actually finish the obstacle course. But that's OK. If we ever get another live-action DBZ movie, Chris should definitely be in it, I think. I can already see him going Super Saiyan: