Battles |
Present Series[]
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Speed-o'-Sound Sonic vs. Paradise Group and Hammerhead | 12, 13 | 4 | Win |
| Speed-o'-Sound Sonic vs. Saitama | 14, 14 | 4 | Loss |
| Speed-o'-Sound Sonic vs. Saitama: Round Two | 18, 19 | 6 | Loss |
| Speed-o'-Sound Sonic vs. Tanktop Tiger | 19 | 6 | Win |
| Speed-o'-Sound Sonic vs. Deep Sea King | 25 | 8 | Retreats |
| Speed-o'-Sound Sonic vs. Genos | 42, 43, 44 | 14 | Interrupted |
| Speed-o'-Sound Sonic vs. Saitama: Round Three | 44 | 14 | Loss |
| Speed-o'-Sound Sonic vs. Hellfire Flame and Gale Wind | 78 | 21 | Negotiation |
| Speed-o'-Sound Sonic vs. Flashy Flash | 197 | None | Interrupted by the Heavenly Ninja Party |
| Speed-o'-Sound Sonic and Flashy Flash vs. Heavenly Ninja Party | 198,199 | None | Sonic gets left in the dust, while Flashy Flash defeats the Heavenly Ninja Party |
Extra Chapters and OVAs[]
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Speed-o'-Sound Sonic vs. Base B, Demolition John and Special Moves Mile | Prison | None | Win |
| Speed-o'-Sound Sonic vs. Saitama: Round Four | Sense | None | Loss |
| Speed-o'-Sound Sonic vs. Shadowy Figure (Dream) | None | The Ninja Who Is Too Complicated | Loss |
| Speed-o'-Sound Sonic vs. Saitama (Imagination) | None | The Ninja Who Is Too Complicated | Loss |
| Speed-o'-Sound Sonic vs. Giant Snake | None | The Ninja Who Is Too Complicated | Win |
| Speed-o'-Sound Sonic vs. Saitama (Imagination) | None | The Ninja Who Is Too Complicated | Win |
Audiobooks[]
| Participants | Audiobook | Audiobook Story | Result |
|---|---|---|---|
| Speed-o'-Sound Sonic vs. Saitama: Round Eleven | Maji Drama CD Vol. 3 | Sonic, Becoming Saitama | Loss |
| Speed-o'-Sound Sonic posing as Saitama vs. Kamikaze | Maji Drama CD Vol. 3 | Sonic, Becoming Saitama | Interrupted by Tatsumaki |
| Speed-o'-Sound Sonic posing as Saitama and Mumen Rider vs. Angry Grandpa | Maji Drama CD Vol. 3 | Sonic, Becoming Saitama | Win |
| Speed-o'-Sound Sonic and Saitama vs. Energiser | Maji Drama CD Vol. 3 | Sonic, Becoming Saitama | Win |
Original Webcomic[]
Expand to see original webcomic information. Beware of spoiler content.
| Participants | Chapter(s) | Episode(s) | Result |
|---|---|---|---|
| Speed-o'-Sound Sonic vs. Paradise Group and Hammerhead | 13 | 4 | Win |
| Saitama vs. Speed-o'-Sound Sonic | 14, 15 | 4 | Loss |
| Saitama vs. Speed-o'-Sound Sonic: Round Two | 18, 19 | 6 | Loss |
| Speed-o'-Sound Sonic vs. Deep Sea King | 27, 28 | 8 | Retreats |
| Speed-o'-Sound Sonic vs. Genos | 48, 49 | 14 | Interrupted |
| Speed-o'-Sound Sonic vs. Saitama: Round Three | 49 | 14 | Loss |
| Speed-o'-Sound Sonic vs Saitama and Tatsumaki | 104 | None | Loss |
| Saitama vs. Speed-o'-Sound Sonic: Round Fourteen | 114 | None | Loss |
| Speed-o'-Sound Sonic vs. Flashy Flash | 116 | None | Interrupted by Heavenly Ninja Party |
| Speed-o'-Sound Sonic and Flashy Flash vs. Heavenly Ninja Party | 116-117 | None | Win |
| Speed-o'-Sound Sonic vs. A and his subordinates | 132 | None | Sonic effortlessly dispatches all of his enemies except A, who manages to run away |