Gorr the God Butcher

Gorr The God Butcher is the main antagonist of the 2013 comic series Thor: God of Thunder. He was created by Esad Ribic and Jason Aaron.

History
Gorr was once a man on a dying alien planet whose family died as a result of famine. As a result, Gorr began to doubt and hate the gods, eventually leading to his being exiled from the tribe. In his exile, Gorr observed a battle between two Gods that ultimately killed them both, but the Dark God's weapon attached itself to Gorr. Taking the oppurtunity, Gorr accepted the weapon and went on a quest to kill every god in the universe.

Gorr's quest took him all across the Cosmos, but the story picks up when he landed on Earth. Gorr is implied to ahve killed a God of North America beofre coming to Eastern Europe in 997 CE. When he comes, He kills the Slaic god Chernabog before attacking Thor. While Thro resisted bravely, Gorr was able to overpower him and trap him in  a cave, where he was tortured for 7 days. Eventually, Thor's mortal followers tried to free him, and while Gorr easily kileld them, they provided enough distraction for Thor to escape.

Powers
Gorr's weapon, All-Black the Necroblade, gave him the ability to create things out of dark energy. He could replace his own limbs and create weapons, but also use it for more complex purposes like creating nonsentient "Black Berserkers", who were entirey servile to his will. Beyond that, Gorr was able to create fully sentient immitatiosn of his wife and son with his weapon.

Gorr is also a very experienced torturer, claiming taht even gods of torture would reveal the locations of their children before his blade. Several tiems throughout the series Gorr is shown trying to cause a God as much pain as possible before killing it.