- During one of takeovers (for Frontiers in 2022) that Sonic the Hedgehog Twitter participates in, one of the questions is what is each character's favorite anime. Knuckles responds that he recently watched and enjoyed one where a guy can defeat his opponents with one punch.
Fanfics
- Boldores And Boomsticks: While Team RWBY stays at Professor Oak's lab, Yang and Casey watch a show called One Punch 'Mon starring a Hitmonchan.
- Pony POV Series: Maud Pie mentions she had a dream where she was a superhero who could destroy anything with one punch.
- Reenacting a legend
: Sona Sitri and some of her Peerage learn Water Stream Rock Smashing Fist, though they call it Rock Smashing Water Stream Fist.
Literature
- Chiron's training guide in Level Up Hero mimics Saitama's workout except that it had 100 lunges added to it. Sam had pointed it out.
Video Games
- In Assassin's Creed: Valhalla, one of the sidequests deals with "The Walloper", a bald guy in a yellow tunic who is frustrated that no one can stand up to his "wallops". Challenging him to a fistfight shows that his only attack is a single punch that will floor Eivor if it connects.
- In Borderlands 3, one of the unique enemies is a Badass Psycho known as "One Punch" who can down characters in a single punch. His unique drop is the "One Pump Chump", a shotgun with a single magazine that fires a powerful slug round.
- One of Samuro's lines in Heroes of the Storm is a nod to Saitama's training regimen.Samuro: Blademaster training is simple, yet effective. One hundred cuts, one hundred stabs, one hundred parries, ten miles of wandering every single day.
- In Megadimension Neptunia VII, when the heroines retrieve the console from Kurome, the Dogoo-Man shouts "One Punch!" upon landing a hit.
Webcomics
- In the Webcomic version of The Beginning After the End, when Jasmine takes Arthur to get his adventurer's license, they witness a man who looks suspiciously like Saitama undergoing his exam to become an adventurer. After the exam, the Saitama lookalike complains about his low placement by remarking how he had been working out his entire life in a manner similar to Saitama's training regimen.
