Jason Voorhees is a fictional character from the Friday the 13th series of slasher films. He first appeared in Friday the 13th (1980), as the son of camp cook-turned-murderer, Mrs. Voorhees, in which he was portrayed by Ari Lehman. Created by Victor Miller, with contributions by Ron Kurz, Sean S. Cunningham, and Tom Savini, Jason was not originally intended to carry the series as the main antagonist. The character has subsequently been represented in various other media, including novels, comic books, and a cross-over film with another iconic horror film character, Freddy Krueger.

Frederick Charles "Freddy" Krueger is a fictional character from the Nightmare on Elm Street series of horror films. He first appears in Wes Craven's A Nightmare on Elm Street (1984) as a disfigured dream stalker who uses a glove armed with razors to kill his victims in their dreams, ultimately causing their deaths in the waking world as well. However, whenever he is put into the real world, he has normal human vulnerability. He was created by Wes Craven, and had been consistently portrayed by Robert Englund since his first appearance. In the 2010 remake, however, Freddy is portrayed by Academy Award-nominee Jackie Earle Haley.

Pinhead is a fictional character from the Hellraiser series. Created by Clive Barker and portrayed by Doug Bradley, Pinhead is a prominent figure in the series, mostly featured as the main antagonist.

Pinhead is the leader of the cenobites, formerly human creatures from an extradimensional realm who travel to Earth through the Lament Configuration, and harvest human souls. Depicted as intelligent and articulate, the character was deliberately presented as a departure from the mute or wise-cracking 1980s horror movie villains who preceded him, being based more on Count Dracula. As the series became franchised, his motivations and role in the story have fluctuated, with the character being portrayed as an amoral hedonist, blatantly evil, or an entity detached from human existence and tasked with punishing the wicked.

Michael Myers is a fictional character from the Halloween series of slasher films. He first appears in John Carpenter's Halloween (1978) as a young boy who murders his older sister, then fifteen years later returns home to murder more teenagers. In the original Halloween, the adult Michael Myers, referred to as The Shape in the closing credits, was portrayed by Nick Castle for most of the film, with Tony Moran and Tommy Lee Wallace substituting in during the final scenes. He was created by Debra Hill and John Carpenter. Michael Myers has appeared in ten films, as well as novels, a video game and several comic books.

Charles Lee Ray, (January 24, 1951 - November 9, 1988), Charles Lee Ray was a voodoo practitioner and serial strangler from originally Hackensack, New Jersey along with Eddie Caputo who were involved in a series of brutal murders and voodoo rituals. Charles Lee Ray was born to Irish American mother who came from a wealthy family but worked as a bartender and dancer and Austrian immigrant father who was an alcoholic who frequently abused him and his mother.

Leatherface is the main antagonist in The Texas Chainsaw Massacre horror-film series and its spin-offs. He wears masks made of human skin (hence his name) and engages in murder and cannibalism alongside his inbred family. He is considered by many to be one of the first major slasher film villains alongside Michael Myers and Norman Bates. Leatherface first appeared in the first film in the series (1974) and in its four subsequent continuations and remakes. Wisconsin serial killer Ed Gein, who wore a mask made of human skin, was purportedly the inspiration for the character.

Ghostface is a fictional identity adopted by the main antagonists in the Scream series of slasher films. The character is voiced by Roger L. Jackson regardless of who is behind the mask. The character first appeared in Scream (1996) as a disguise used by teenagers Billy Loomis (Skeet Ulrich) and Stu Macher (Matthew Lillard) during their killing spree in the fictional town of Woodsboro. Ghostface was created by Wes Craven and Kevin Williamson. The mask is based on The Scream painting by Edvard Munch and was created and designed by Fun World employee Brigitte Sleiertin as a Halloween costume prior to being discovered by Marianne Maddalena and Craven for the film

Famous for introducing the character of the vampire Count Dracula, the novel tells the story of Dracula's attempt to move from Transylvania to England, and the battle between Dracula and a small group of men and women led by Professor Abraham van Helsing.

Dracula has been assigned to many literary genres including vampire literature, horror fiction, the gothic novel and invasion literature. The novel touches on themes such as the role of women in Victorian culture, sexual conventions, immigration, colonialism, and postcolonialism. Although Stoker did not invent the vampire, he defined its modern form, and the novel has spawned numerous theatrical, film and television interpretations.

Lord Voldemort (born Tom Marvolo Riddle) is the main antagonist of the Harry Potter series written by British author J. K. Rowling. Voldemort first appeared in Harry Potter and the Philosopher's Stone, which was released in 1997. Voldemort appeared either in person or in flashbacks in each book and film adaptation in the series, except the third, Harry Potter and the Prisoner of Azkaban, where he is mentioned.

The name "Frankenstein" – actually the novel's human protagonist – is often incorrectly used to refer to the monster itself. In the novel, the monster is identified via words such as "monster", "fiend", "wretch", "vile insect", "daemon", and "it"; The monster refers to himself speaking to Dr. Frankenstein as "the Adam of your labors", and elsewhere as someone who "would have" been "your Adam", but is instead your "fallen angel."