Electro is the name of two supervillains appearing in American comic books published by Marvel Comics.
The Chameleon is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist Steve Ditko, the character first appeared in the debut issue of The Amazing Spider-Man in March 1963 as the first supervillain to face the superhero Spider-Man. The Chameleon is a master of disguise who is known for his ability to impersonate virtually anybody. The character is also the half-brother of Kraven the Hunter. This relationship helped evolve him as a major villain compared to his original depiction of being just a solo villain in the original issue of The Amazing Spider-Man. He has also been a member of the Sinister Six and the Sinister Twelve at various points in his history.
Kraven the Hunter is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist Steve Ditko, the character first appeared in The Amazing Spider-Man #15 as an adversary for the superhero Spider-Man. He since endured as one of the web-slinger's most formidable foes, and is part of the collective of adversaries that make up Spider-Man's rogues' gallery. Kraven has also come into conflict with other heroes, such as Black Panther and Tigra. He is the half-brother of the Chameleon and is one of the founding members of the Sinister Six.
The Rhino is a fictional character appearing in American comic books published by Marvel Comics. He was created by writer Stan Lee and artist John Romita Sr., and first appeared in The Amazing Spider-Man #41. The character is a Russian thug who underwent an experimental procedure that gave him an artificial skin covering and superhuman strength. Rebelling against the scientists responsible for his transformation, Rhino used his newfound powers to become a successful criminal, and soon clashed with superheroes like Spider-Man and the Hulk. The character is typically portrayed as a dimwitted brute, capable of great destruction, but ultimately easily deceived.
The Sandman is a fictional character appearing in American comic books published by Marvel Comics. A shapeshifter endowed through an accident with the ability to turn himself into sand, he started out as a recurring adversary to the superhero Spider-Man, but has redeemed himself over time, eventually becoming an antihero. The Sandman has also been an enemy of the Fantastic Four and is a founding member of the supervillain teams the Sinister Six and the Frightful Four.
The Sinister Six are a group of supervillains in American comic books published by Marvel Comics, mainly those featuring Spider-Man. The members are drawn from the character's list of enemies, with the original members forming the team in The Amazing Spider-Man Annual #1. Led by Doctor Octopus, the team in its premiere followed swiftly the very early appearances of many of the most enduring members of Spider-Man's rogues gallery: the Vulture, the Sandman, Electro, Mysterio, and Kraven the Hunter. While Doctor Octopus has generally remained its leader, the Sinister Six has had multiple variations of composition.
Speed Demon is a supervillain appearing in American comic books published by Marvel Comics. Created by Roy Thomas and Sal Buscema, the character made his first appearance in The Avengers #69 as a member of the Squadron Sinister known as the Whizzer.
Calypso is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Denny O'Neil and artist Alan Weiss, the character first appeared in Amazing Spider-Man #209. Calypso is a voodoo priestess of Haitian descent. She serves as an adversary of the superhero Peter Parker / Spider-Man. The character is the occasional lover and partner of the Kraven the Hunter. Calypso is also known under the codenames The Witch and The Hunter of Souls.
Lightmaster is a supervillain appearing in American comic books published by Marvel Comics.
The Tinkerer is a fictional character appearing in American comic books published by Marvel Comics. The character is usually depicted as an adversary of the superhero Spider-Man and the father of Rick Mason. The character was created by Stan Lee and Steve Ditko, and made his first appearance in The Amazing Spider-Man #2. The Tinkerer is generally depicted as a genius in engineering who is able to create gadgets and other devices from nothing more than spare parts left over from ordinary household appliances. While in his initial appearances he sought to personally eliminate Spider-Man, more recent storylines depict him under the employ of other supervillains, whom he supplies with his gadgets for their personal vendettas against Spider-Man or other heroes.
Swarm is a supervillain appearing in American comic books published by Marvel Comics. The character's entire body is composed of bees, and is mainly featured as an enemy of Spider-Man.
The Human Fly is the name of three fictional characters appearing in American comic books published by Marvel Comics. One is a supervillain that was an occasional antagonist of Spider-Man, and the other two were superheroes, one of which was the title of a short-lived series in the late 1950s reprinting some of Fox's Blue Beetle strips from the 1940s. It was published by Super Comics.
Grizzly is the name of four unrelated characters appearing in American comic books published by Marvel Comics. The first is a wild west villain, the second is an A.I.M. Agent, the third is a foe of Spider-Man, and the fourth is a mutant and member of Six Pack.
The Foreigner is a supervillain appearing in American comic books published by Marvel Comics. He was formerly married to Silver Sable. The Foreigner is a mercenary and assassin. Although he has no superhuman abilities, he has trained his body to be in absolute peak physical condition, is among the greatest martial arts practitioners in the Marvel Universe, and as a professional assassin, who has evaded detection by various international law enforcement agencies, is highly intelligent. He is often depicted as being exceedingly competent.
Puma is a character appearing in American comic books published by Marvel Comics. Created by Tom DeFalco and Ron Frenz, he first appeared in The Amazing Spider-Man #256, as an adversary of the superhero Spider-Man. Despite this, the character does not lack morals or a sense of justice, and eventually reforms and becomes an ally of Spider-Man. Puma is the alter ego of Thomas Fireheart, a Native American who was bred to be a perfect warrior prophesied to stop a future threat that might destroy the world, gaining the ability to transform into an anthropomorphic mountain lion. He later became a businessman and the CEO of Fireheart Enterprises, as well as a mercenary.
The Man-Bull is a supervillain appearing in American comic books published by Marvel Comics.
Spider-Man: Reign is a four-issue comic book limited series featuring Spider-Man, written and illustrated by Kaare Andrews and published by Marvel Comics. Set 30 years into Spider-Man's future, on Earth-70237, it features a retired Spider-Man who returns to combat the injustices of a vastly different New York City.
Norman Virgil Osborn is a character appearing in American comic books published by Marvel Comics. Created by Stan Lee and Steve Ditko, he first appeared in The Amazing Spider-Man #14 as the first and best-known incarnation of the Green Goblin. He has since endured as one of the superhero Spider-Man's most prominent villains and is regarded as one of his three archenemies, alongside Doctor Octopus and Venom.
Vermin is a supervillain appearing in American comic books published by Marvel Comics. The character is usually depicted as an adversary of Captain America and Spider-Man. A geneticist working for Baron Zemo and Arnim Zola, Edward Whelan was subjected to an experiment that mutated him into a humanoid rat, gaining superhuman abilities, as well as the predatory instincts of a rat. The character's most notable appearance was in the storyline "Kraven's Last Hunt".
