The self-proclaimed rival of Saitama, Speed-o'-Sound Sonic also known as Sonic is a villain from theOne Punch Mananime and manga series. Known for his immense supersonic speeds and incredible agility, Sonic is a highly trained ninja and easily one of the fastest characters in the series.
Although recognized as one of the fastest, Sonic is nowhere near being as strong as Saitama, however, his ninja stealth moves combined with his swordsmanship makes him a tough opponent to defeat. Even though he may not be the strongest character in the series, his speed and agility allows him to move around extremely fast and doge attacks with precision.But how strong isSpeed-o'-Sound Sonic?

Appearance And Personality
Sonic first appears in the series as a hired bodyguard for Zeniru (a multimillionaire from F-City). He appears as a thin young man with long black hair with a tight black latex bodysuit covered by metal platings and a sword strapped to his back. Sonic is also a former member of the 44th graduation class of the Ninja Village, a secret institution located in an unknown city, built for the purpose of training highly skilled ninja assassins. This is where Sonic learned how to become highly skilled inboth martial arts and swordsmanshipplus increasing his levels of speeds.
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Sonic hates losing to opponents and loves the thrill of the fight. He constantly tries to attack Saitama whenever he meets him and is constantly defeated. Although he is always defeated, he never gives up hope and trains to become even stronger to enact his revenge. His large ego usually tends to get the best of him and this causes him to pursue his goals of beating someone who has defeated him in the past. His desire to beat Saitama is so great that he even decided to give up his human form and devour a monster cell to become even stronger,however since he had cookedthe monster cell before eating, the effects wore off, and he did not turn into a monster. Although Sonic holds a negative view of the hero association, he still believes in doing some good in the world, this is seen when he warns Genos of Deep Sea King when he ran into him but this side of him is still unclear.
The Ninja Effect
One of Sonic’s most impressive fights was his battle with Saitama, despite being massively outmatched in terms of raw power and speed, Sonic was able to keep up with Saitama thanks to his incredible speed and agility. Sonic is also seen to be able to go head-to-head with Genos which demonstrates his reflexes and agility, his swordsmanship skills also give him an edge when it comes to battles.This is because Sonic’s main poweris his immense speed and reflexes, this is seen when he fights the Paradisers, a terrorist group led by the B-class criminal, Hammerhead. Sonic was also able to doge all the attacks from Deep Sea King, a demon-level monster, he is seen to keep up with the monster with incredible speeds and was even able to escape without injury. During the fight with Genos, Sonic was able to keep up with the cyborg’s speed and their movements were so fast that it was difficult to watch the fight with regular human eyes.
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As Sonic grew up training to become a ninja, he is a master of ninjtusu, a martial art designed around strategy and tactics of unconventional warfare used by ninja’s during feudal Japan which consists of armed/un-armed fighting techniques with lots of variable weapons training. This equipped Sonic with wide knowledge in using deadly techniques.A couple of his known attacksare Wind blade kick, where Sonic uses the momentum of spins to deliver a powerful kick to his opponent, this is seen during his fight with Deep Sea King. Another powerful attack Sonic uses is known as Hail of carnage, this is when he lunges multiple exploding shurikens that explode upon impact.
Another technique which Sonic uses is the use of afterimage creation to confuse his opponents of his locations and stops them pinpointing his actual location, this technique allows him to create multiple images of himself by moving at immense speeds. Sonic is able to create four afterimages of himself initially, this was known as four shadow burial. Later once he has trained to become stronger, he revealed one of his ultimate moves during one of his battles with Saitama, which was to create ten afterimages of himself, this was also known as ten shadows burial, with this technique he managed to reach super-supersonic speeds. As a ninja,Sonic also carried a variety of weaponsin his arsenal, this includes his primary weapon, an extremely sharp sword, a number of kunai and exploding shurikens. Overall, while Speed-o'-Sonic may not be the strongest character in One Much Man, his incredible speed and agility makes him a formidable opponent and a fan favorite because of his ninja skills.
