Doctor Octopus

Doctor Octopus, often called Doc Ock, is a fictional supervillain in the Marvel Comics universe, primarily known as an adversary of Spider-Man. Created by writer Stan Lee and artist Steve Ditko, he first appeared in "The Amazing Spider-Man" #3 in 1963. He is a brilliant scientist named Otto Octavius, who develops mechanical tentacle-like arms that have enhanced strength and agility, which allow him to manipulate objects and fight. His intellect combined with his robotic arms makes him a formidable foe, embodying themes of hubris and the consequences of scientific experimentation.