Saitama’s loyal sidekick and an absurdly powerful fighter for justice, One Punch Man’s Genos is one of anime’s most lovable and iconic cyborgs. Genos’ body wasn’t always partially mechanical, as he used to be an ordinary boy before a rogue cyborg demolished his hometown. With the help of Dr. Kuseno, the miraculously rescued Genos was turned into a monster-killing machine, vowing to use his newfound powers for good.
Source：https://www.cbr.com/anime-cyborgs-like-genos-one-punch-man/
