This document lists various villains that have appeared in Spider-Man stories including their names and aliases. Some of the villains mentioned are Green Goblin/Norman Osborn, Doctor Octopus/Dr. Otto Octavius, Sand-Man/Flint Marco, Venom/Eddie Brock, The Lizard/Dr. Curt Connors, Electro/Max Dillion, Mysterio/Oscar Gutierrez Rubio, Rhino/Aleksei Sytsevich, Vulture/Michael Keaton, Carnage/Cletus Kasady, Kraven The Hunter/Sergei Kravinoff, and Scorpion/Hanzo Hasashi.