Mikey "Darth Rigatoni" Musumeci is the current ONE Championship flyweight (135 lb) submission grappling champion, as well as a five time black belt jiujitsu world champion - but he probably doesn't match most people's mental picture of what someone like that looks like or acts like.

He's been open about his struggles with depression, how his ADHD affects his training, and his challenges 'fitting in' when growing up. He also has strong opinions on the widespread usage of steroids in jiu-jitsu, as well as his self-image as a 'nerd', disordered eating, and masculinity in martial arts (link has a login popup, but it can be closed after 5 seconds and the full article will load). In 2022 he had a successful debut in ONE Championship, a Singapore based promotion that offers submission grappling in addition to MMA, Muay Thai, and Kickboxing. Some of his highlights there include submitting legendary grappler Shinya Aoki with a move that Aoki pioneered, avenging one of his only career losses last night with a calf slicer, and toying with Mark Zuckerberg as one might a small child. His older sister Tammi has a lower public profile, but she's also a world champion in jiu-jitsu, and has recently joined her brother in ONE Championship - after a small detour to graduate law school.