Battles |
Major Battles[]
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Mumen Rider vs. Hammerhead and Paradisers (Off-Screen) | 12 | 4 | Loss |
| Mumen Rider vs. Deep Sea King | 26 | 9 | Loss |
| Garou vs. Mumen Rider, Tank Topper Army and Charanko | 45, 46 | 15 | Loss |
| Mumen Rider vs. Gyoffrey | 70 | 20 | Loss, saved by Tanktop Master |
Extra Chapters and OVAs[]
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Mumen Rider and Chain'n'toad vs. Giant Salamander | None | Going Fishing with Middle-aged Men | Loss, saved by Atomic Samurai |
Audiobooks[]
| Participants | Audiobook | Audiobook Story | Result |
|---|---|---|---|
| Mumen Rider and Speed-o'-Sound Sonic (posing as Saitama) vs. Angry Grandpa | Maji Drama CD Vol. 3 | Sonic, Becoming Saitama | Win, helped by Sonic |
Original Webcomic[]
Expand to see original webcomic information. Beware of spoiler content.
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Satoru vs. Unnamed Lightning Demon | 138 | None | Win |