Speed-O’-Sound Sonic is in a bad state of mind, attempting to train even harder before in order to stand a chance against Saitama.Having received a quick defeat at the hand of One-Punch Man ...

Sonic had a rough go of things this recent season of One-Punch Man, first losing horribly in a fight with Saitama then encountering the Monster Association.The MA, using two former members of his ...

With the release of One Punch Man Chapter 199 redraw, the manga finally established Flashy Flash's team up with Speed-o'-Sound Sonic against the Heavenly Ninja Party, Tenninto.

Redrawn One Punch Man chapter 199, titled Undesirable Relationship, opened with Flashy Flash challenging Speed-o'-Sound Sonic to see if his skills had become dulled. As expected, Sonic was left ...

Get ready to play 3v3 battles as Saitama, Genos, Hellish Blizzard, Speed-o'-Sound Sonic, Mumen Rider and more in One-Punch Man: A Hero Nobody Knows!

One-Punch Man: A Hero Nobody Knows ... Or players can choose a team of three other characters (no Saitama), including wannabe heroes and bad guys like Speed-O-Sound Sonic, Mumen Rider, Silverfang, ...