Question: What is the title of the initial novella in Clive Barker's horror franchise that feautures a character named 'Butterball'?

Context paragraphs:
Clive Barker, Illustrator: Clive Barker, Illustrator is a book of ink sketches and some full-color paintings by British author Clive Barker.  It was published in 1990 by Arcane/Eclipse Books.  It also contains a lengthy interview with Barker, in which he talks about the various aspects of his work.  As with his fiction, his artwork is concerned with mythology, monstrous figures, the grotesque, human sexuality, and secret identities.  He also discusses his influences, which range from Jean Cocteau, Goya and William Blake to various Disney movies.

Hyperkind: Hyperkind is a superhero comic book series published by Marvel Comics' Razorline imprint that ran from 1993 to 1994.  Created by filmmaker and horror/fantasy novelist Clive Barker as one of the imprint's four interconnected series, it starred a team of four young adults whose superpowers represent aspects of human consciousness.  It was created by filmmaker and horror/fantasy novelist Clive Barker, with its characters existing in one of the many alternate universes outside the mainstream continuity known as the Marvel Universe.

Clive Barker's A-Z of Horror: Clive Barker's A-Z of Horror was a documentary series first broadcast on BBC2 in 1997.  It was written and hosted by Clive Barker and explored the history of horror, from the cinema to art.  A tie-in book was released featuring art work by Barker and film reviews by Stephen Jones.

Nightbreed: Nightbreed (also Night Breed on publicity material, or Clive Barker's Nightbreed) is a 1990 American dark fantasy horror film written and directed by Clive Barker, based on his 1988 novella "Cabal", and starring Craig Sheffer, Anne Bobby, David Cronenberg, Charles Haid, Hugh Quarshie, and Doug Bradley.  The film features an unstable mental patient who is falsely led to believe by his doctor that he is a serial killer.  Tracked down by the police, his doctor, and his girlfriend Lori, Boone eventually finds refuge in an abandoned cemetery called Midian among a "tribe" of monsters and outcasts known as the "Nightbreed" where they hide from humanity.

Butterball Cenobite: Butterball is a character from Clive Barker's "Hellraiser" franchise.  He is a Cenobite, one of a group of extradimensional beings who experiment in forms of extreme sadomasochism as part of a religious devotion to hedonism.  He is also one of the first Cenobites introduced in the franchise, appearing both in the initial novella, "The Hellbound Heart", as well as the films "Hellraiser" and "".  Butterball also made an appearance in Clive Barker's comic book sequel to "Hellbound," the "Hellraiser" comic book series published by BOOM!  comics in 2011.  Despite appearing to be the second-in-command of the Cenobites in "The Hellbound Heart", in the film and comics he primarily functions as a member of Pinhead's entourage.

List of Hellraiser characters: Hellraiser is a British horror franchise that consists of nine films, a series of comic books, as well as merchandise based on the series.  The franchise is based on the novella "The Hellbound Heart" by Clive Barker, who would go on to write and direct the adaptation of his story, titled "Hellraiser".  The films, as well as the comic book series, continually features the Cenobite Pinhead.  The series’ storyline focuses on a puzzle box that opens a gateway to another dimension, where the Cenobites come forth to take whoever opened the box back to their world, delivering an eternity of torture and experimentation.  As well as the Cenobites other recurring characters include heroine Kirsty Cotton and several others.

Saint Sinner (film): Saint Sinner (full title Clive Barker Presents Saint Sinner) is a 2002 horror TV-movie written by Doris Egan and Hans Rodionoff based on a short story by executive producer Clive Barker.  It was directed by Joshua Butler.  Aside from the title, it is unrelated to the comic-book series published by Marvel Comics' Razorline imprint and created by Barker.  In this movie, an immortal monk hunts down two succubi.  It premiered on the U.S. Sci Fi Channel on October 26, 2002.

The Hellbound Heart: The Hellbound Heart is a horror novella by Clive Barker, first published in November 1986 by Dark Harvest in the third volume of their "Night Visions" anthology series, and notable for becoming the basis for the 1987 movie "Hellraiser" and its franchise.  It was re-released as a stand-alone title by HarperCollins in 1988, after the success of the movie, along with an audiobook recorded by Clive Barker and published by Simon & Schuster Audioworks.  It retains the gory, visceral style that Barker introduced in his series of collected short stories "The Books of Blood".  The story focuses on a mystical puzzle box and the horror it wreaks on a family that is unfortunate enough to come across it.

Hellraiser (franchise): Hellraiser is a British horror franchise that consists of ten films, a series of comic books, and additional merchandise and media.  The franchise is based on the novella "The Hellbound Heart" by English author Clive Barker, who would go on to write and direct the adaptation of his story, titled "Hellraiser".  The films, as well as the comic book series, continually feature the Cenobite Pinhead.

Clive Barker's Undying: Clive Barker's Undying is a first-person shooter survival horror video game developed by EA Los Angeles and published by EA Games.  Noted horror author, the titular Clive Barker, was consulted in shaping the game's plot and background lore and also provided the voice of Ambrose Covenant, a character in the game.

Supporting paragraphs: Butterball Cenobite Hellraiser (franchise)
Answer: "The Hellbound Heart"