Fan Casting

Sai El/Saitama Kento born from another planet and raised in the Japanese countryside always strived to be a hero for fun and protect the people of Earth from evil ever since he was a child he always wanted to use his many abilities most notably his ability to incapacitate or obliterate anything on site with only one punch and use them for good.So he trained hard to hone his abilities and strength to it’s upper limits by a very basic workout regimen of 100 reps to the point where all of his hair would start to burn to ash whilst not affecting or hurting him due to his invulnerability leading him to become the hero known as: Super Punch: The Fist Of Steel