Question: Information:  - The Real Ghostbusters is an American animated television series, a spinoff of the 1984 comedy movie "Ghostbusters". The series ran from September 13, 1986 to October 5, 1991, and was produced by Columbia Pictures Television, DiC Enterprises, and Coca-Cola Telecommunications. J. Michael Straczynski was story editor, and wrote episodes for every season except four and seven. "The Real" was added to the title after a dispute with Filmation and its Ghost Busters properties. The series continues the adventures of paranormal investigators Dr. Peter Venkman, Dr. Egon Spengler, Dr. Ray Stantz, Winston Zeddemore, their secretary Janine Melnitz and their mascot ghost Slimer.  - Raymond "Ray" Stantz, PhD is a fictional character from the "Ghostbusters" franchise. He appears in the films "Ghostbusters" (1984), "Ghostbusters II" (1989), "Casper" (1995, as a cameo), the animated television series "The Real Ghostbusters" and "Extreme Ghostbusters", and the video games Beeline's "Ghostbusters" and "". He was portrayed by Dan Aykroyd in both live action films, and voiced by Frank Welker in the animated series. He is a member of the Ghostbusters and one of the three doctors of parapsychology, along with Dr. Peter Venkman and Dr. Egon Spengler. Dan Aykroyd has a cameo appearance in "Ghostbusters" (2016) as "Cabbie".  - Ghostbusters is a 1984 American supernatural comedy film directed and produced by Ivan Reitman and written by Dan Aykroyd and Harold Ramis. The film stars Bill Murray, Aykroyd and Ramis as three eccentric parapsychologists who start a ghost-catching business in New York City. Sigourney Weaver and Rick Moranis co-star as a client and her neighbor, and Ernie Hudson as the Ghostbusters' first recruit.  - Extreme Ghostbusters is an animated television series and a follow - up to the animated series The Real Ghostbusters . It is a part of the Ghostbusters franchise . The series originally aired in late 1997 , and features a team of younger college - level Ghostbusters who are led by veteran Ghostbuster Egon Spengler . In some TV listings , the show was called Ghostbusters Dark .  - Filmation Associates was a production company that produced animation and live-action programming for television from 1963 to 1989. Located in Reseda, California, the animation studio was founded in 1962. Filmation's founders and principal producers were Lou Scheimer, Hal Sutherland and Norm Prescott.  - Ghostbusters II is a 1989 American supernatural comedy film directed and produced by Ivan Reitman, written by Dan Aykroyd and Harold Ramis and starring Bill Murray, Aykroyd, Sigourney Weaver, Ramis, Ernie Hudson and Rick Moranis. It is the sequel to the 1984 film "Ghostbusters", and follows the further adventures of the three parapsychologists and their organization which combats paranormal activities.  - Coca-Cola Telecommunications (CCT) was a short-lived first-run syndication unit of Columbia Pictures Television (then a unit of The Coca-Cola Company) created on November 24, 1986 that was a merger between CPT's first-run syndication division and The Television Program Source. The Television Program Source was a joint-venture between Alan Bennett, former King World president Robert King, and CPT that was founded on October 15, 1984. On December 31, 1987, CCT was shut down and was folded into the reorganized Columbia Pictures Television Distribution (now Sony Pictures Television).  - Winston Zeddemore is a fictional character appearing in the "Ghostbusters" films, TV series, and video games. He was played by Ernie Hudson in both movies and was voiced by Arsenio Hall in the first two seasons of "The Real Ghostbusters". Buster Jones provided Winston's voice in the remaining seasons, and he reprised the role in a cameo on "Extreme Ghostbusters". Hudson returned to provide his appearance and voice to Zeddemore in 2009's "".  - Egon Spengler, PhD is a fictional character from the "Ghostbusters" franchise. He appears in the films "Ghostbusters" and "Ghostbusters II", in the animated television series "The Real Ghostbusters" and "Extreme Ghostbusters", in the video games "" and Beeline's "Ghostbusters". Spengler was portrayed by Harold Ramis in the films and voiced by him in "" and "Lego Dimensions", and voiced by Maurice LaMarche in the cartoon series. He is a member of the Ghostbusters and one of the three doctors of parapsychology, along with Dr. Peter Venkman and Dr. Ray Stantz.    Given the paragraphs above, decide what entity has the relation 'creator' with 'dan aykroyd'.
Answer:
extreme ghostbusters