In the redraw of One Punch Man chapter #196, the manga adapted for the first time the complete backstory of Flashy Flash and Speed-o’-Sound Sonic instead of just including some parts of it like ...

No other character in One-Punch Man has received such vital changes as Speed-o'-Sound Sonic has in the latest redrawn chapters. Instead of being the long-suffering would-be rival to Saitama ...

On Friday, March 7, 2025, Bandai Namco Filmworks announced that One Punch Man season 3 will premiere ... the voice actor for Speed-o'-Sound Sonic, will appear at the event.