Question: Heavy Metal 2000 is a follow-up to a film which was produced by what two people?

full_context: Document 1: Kronik (album): Kronik is a compilation album released by the Canadian thrash metal/progressive metal band Voivod in 1998 on Hypnotic Records. It is their eleventh release altogether, featuring remixes, previously unreleased songs, and live recordings. The album features the track "Ion", which is played during the opening credits of the "Heavy Metal 2000" movie. It was re-released in 2004 by Candlelight Records.
Document 2: Heavy Metal (film): Heavy Metal is a 1981 Canadian-American adult animated sci-fi-fantasy film directed by Gerald Potterton and produced by Ivan Reitman and Leonard Mogel, who also was the publisher of "Heavy Metal" magazine, the basis for the film. The screenplay was written by Daniel Goldberg and Len Blum.
Document 3: Metalstorm: The Destruction of Jared-Syn: Metalstorm: The Destruction of Jared-Syn is a 1983 cult science fiction film starring Jeffrey Byron, Michael Preston, Tim Thomerson, Kelly Preston and Richard Moll. It was directed and produced by Charles Band who is possibly better known for his other, rather low-budget science fiction and horror films such as the "Puppet Master" and "Trancers" series. The story is a space-age western which combines themes of esoteric sorcery and high technology. "Metalstorm" was filmed in 3D.
Document 4: Heavy Metal: F.A.K.K.²: Heavy Metal: F.A.K.K.² is a third-person shooter video game made by Ritual Entertainment in 2000. A computer game sequel to the "Heavy Metal 2000" animated movie, the game stars Julie in her quest to save her home planet of Eden from GITH, an ancient entity seeking to conquer the universe. Using a variety of weapons, Julie must now fight off GITH's forces while at the same time uncovering a secret hidden deep within the planet.
Document 5: The History of Heavy Metal: The History of Heavy Metal ("Hårdrockens historia") is a Swedish 2001 documentary movie made for TV spanning through the timeline of heavy metal music. It starts with the roots of heavy metal and ends with the metal of present times. Through interviews and archive material, the movie tries to give answers on many questions, including "which was the first heavy metal band?". It was produced by Malik Bendjelloul and edited by Mikael Björnsson and Johan Larsson for Barracuda Film & TV.
Document 6: Veteran of the Psychic Wars: "Veteran of the Psychic Wars" is a song by the American hard rock band Blue Öyster Cult, written by Eric Bloom and British author Michael Moorcock (creator of Elric of Melniboné). The song first appeared on the album "Fire of Unknown Origin" from 1981. An extended version appears on the album "Extraterrestrial Live". It also appears on the soundtrack of the 1981 animated film "Heavy Metal".
Document 7: The Iron Giant: The Iron Giant is a 1999 American animated science-fiction comedy-drama action film using both traditional animation and computer animation, produced by and directed by Brad Bird in his directorial debut. It is based on the 1968 novel "The Iron Man" by Ted Hughes (which was published in the United States as "The Iron Giant") and was scripted by Tim McCanlies from a story treatment by Bird. The film stars the voices of Eli Marienthal, Christopher McDonald, Jennifer Aniston, Harry Connick, Jr., John Mahoney, and Vin Diesel. Set during the Cold War in 1957, the film is about a young boy named Hogarth Hughes, who discovers a giant metallic robot who fell from space. With the help of beatnik artist Dean McCoppin, they attempt to prevent the U.S. military and Kent Mansley, a paranoid federal agent, from finding and destroying the Giant.
Document 8: Heavy Traffic: Heavy Traffic is a 1973 American adult animated comedy-drama film written and directed by Ralph Bakshi. The film, which begins, ends, and occasionally combines with live-action, explores the often surreal fantasies of a young New York cartoonist named Michael Corleone, using pinball imagery as a metaphor for inner-city life. "Heavy Traffic" was Bakshi and producer Steve Krantz's follow-up to the film "Fritz the Cat". Though producer Krantz made varied attempts to produce an R-rated film, "Heavy Traffic" was given an X rating by the MPAA. The film received positive reviews and is widely considered to be Bakshi's biggest critical success.
Document 9: Heavy Metal 2000: Heavy Metal 2000 (also known as Heavy Metal: F.A.K.K.² outside North America) is a 2000 Canadian-German direct-to-video adult animated science fiction film produced by Jacques Pettigrew and Michel Lemire, and directed by Michael Coldewey and Lemire. Starring the voices of Michael Ironside, Julie Strain, and Billy Idol, the film is the follow-up to the 1981 animated cult film "Heavy Metal", which is based on the fantasy magazine of the same name. The story is based on the graphic novel, "The Melting Pot", written by Kevin Eastman, Simon Bisley and Eric Talbot. The film was made by CinéGroupe, a studio based in Montreal, Quebec.
Document 10: Flash Gordon (film): Flash Gordon is a 1980 science fiction action film created in Technicolor and Todd-AO, based on the King Features comic strip of the same name created by Alex Raymond. The film was directed by Mike Hodges and produced by Dino De Laurentiis. It stars Sam J. Jones, Melody Anderson, Topol, Max von Sydow, Timothy Dalton, Brian Blessed and Ornella Muti. The movie was co-written by Michael Allin (of "Enter the Dragon" fame) and Lorenzo Semple Jr. (who had previously scripted De Laurentiis's remake of "King Kong"). It intentionally uses a camp style similar to the 1960s TV series "Batman" (for which Semple had developed and written many episodes) in an attempt to appeal to fans of the original comics and serial films. Although a box office success in the United Kingdom, it performed poorly overseas. The film is notable for its soundtrack composed, performed and produced by the rock band Queen, with the orchestral sections by Howard Blake. The film has since gained a significant cult following.
Document 11: Brendon Small's Galaktikon II: Become the Storm: Brendon Small's Galaktikon II: Become the Storm is the second solo album by Brendon Small, known for his work on the animated television shows "Metalocalypse" and "Home Movies", and as creator of virtual death metal band Dethklok. The album was released on August 25, 2017 through Megaforce Records. The album features Dethklok members Gene Hoglan and Bryan Beller, on drums and bass, respectively. Since Brendon Small no longer holds the rights to the Dethklok name, Gene Hoglan has suggested that this album would serve as a "new Dethklok album".
Document 12: Brendon Small's Galaktikon: Brendon Small's Galaktikon is the solo album debut by Brendon Small, known for his work on the animated television shows "Metalocalypse" and "Home Movies", and as creator of virtual death metal band, Dethklok. The album features Dethklok members Gene Hoglan and Bryan Beller, on drums and bass, respectively. Small described the album as a "high-stakes, intergalactic, extreme rock album" and describes it as being similar to Dethklok but with more rock elements and melodic vocals. Like on previous Dethklok albums, Ulrich Wild produced the album and Antonio Canobbio designed the cover art. The album's release coincided with the premiere of the fourth season of "Metalocalypse". The album was also released on vinyl in late June 2012.
Document 13: Karl E. Landler: Karl E. Landler is a French actor, filmmaker who stars in French and American TV shows and films. He joined the international cast of the Sci-Fi TV series Métal Hurlant Chronicles. He is the face of numerous worldwide campaigns such as Shiseido by Jean Paul Goude and Red Steel 2 for Ubisoft. Karl is also a FreeRunner Parkour and stuntman who worked many times with Luc Besson.
Document 14: Heavy Metal Me: heavy metal me is a DVD release by Japanese band Boris. It consists of various live material, video material, and "heavy metal me", a short film which is subtitled in both Japanese and English. The titular short film is actually a series of chapters on the disc which play in a random order every time the user hits play (though the chapters for each language remain together). Filmed primarily in black and white, the piece is deliberately low quality and aged, with guitarist Wata playing the lead; most chapters feature analog hiss and white noise for audio tracks, though some are totally silent, and others contain acoustic guitar plucks atop the hiss. The "a bao a qu" music video is based on the 7" version of the song with both sides crossfaded together into a 9-minute full length version; its video consists of extremely wide and narrow shots with low quality lighting, following several characters as they walk the streets, smoke, and reflect or contemplate. "the evil one which sobs" layers the titular song with its ambient counterpart "Interference Demon" from "Dronevil", but starts the former several minutes later than the coupling of the CDs would play, and fades out just at the end of the loud drone (thus removing the acoustic guitar coda of CD2); the video consists solely of shots from what appear to be underneath layers of moving webbing. Lastly, there are live versions of the songs "feedbacker", recorded 2003-11-1 at Shinjuku Liquid Room, and "flood", recorded 2001-5-3 at Koenji 20,000v. "staff credit" contains acoustic guitar plucks while the credits roll. The DVD has no "play all" option and each track must be selected individually from the main menu.
Document 15: Ivan Reitman: Ivan Reitman, OC (born October 27, 1946) is a Slovak-Canadian film producer and director, best known for his comedy work, especially in the 1980s and 1990s. He is the owner of The Montecito Picture Company, founded in 1998.
ground_truth: Ivan Reitman and Leonard Mogel