A.K.A Gatts or Gattsu.
Is the main character of the anime/manga series Berserk. Guts is a mercenary with incredible strength and will while not superhuman his physical attributes are often said to be "inhuman". Guts was born on the battlefield with both of his parents dead Guts was raised by the mercenary leader Gambino. Guts became the champion of Gambino's mercenary group and outshined Gambino, causing Gambino to attempt to kill Guts in a drunken Rage. However Guts killed Gambino and eventually wounded up in the legendary band of the hawk mercenary group.
Guts formed a family-like bond with the Band of the hawks members a relationship with Casca a commander of the hawks and a best friend relation with Griffth the leader. Griffth however sacrificed a majority of the Band of the hawk to become a powerful entity known as a God Hand. Casca and Guts and Casca were the only survivors. Casca was raped by Griffth and traumatized her into losing her memory and becoming mute. Guts lost his left arm and his right eye. Guts then sent out on a journey to kill Griffth and all of his Apostles (Monsters)
Guts replaced his arm with a merchanical one that was magnetic so he could hold his sword with two hands had a hidden cannon and a repeating crossbow. Guts wields the massive sword Dragonslayer similar to Cloud's buster sword, or Siegfried's requiem. Guts eventually obtained the Berserker armor a cursed armor that allowed Guts to negate pain during battle but a frenzied rage could take over him if he was lost the bloodshed of combat.
Guts is although an unknown character to many anime and manga watchers his character and personality is well recieved by both fans and critics. Guts is the definition of Badassery, tough, mean and while not stylish he's one hell of a fighter.
Guts is the most badass anime/manga character created.