Question: Who directed Caddyshack and co-wrote and satred in the 1986 film GhostBusters?

Context paragraphs:
Ghostbusters (2016 film): Ghostbusters (also known as Ghostbusters: Answer the Call and marketed as such on home release) is a 2016 supernatural comedy film directed by Paul Feig and written by Feig and Katie Dippold.  The film stars Melissa McCarthy, Kristen Wiig, Kate McKinnon, Leslie Jones, Neil Casey, Andy García, Cecily Strong, and Chris Hemsworth.  It is the third feature film in the "Ghostbusters" franchise, and serves as a reboot of the series.  The story focuses on four women who begin a ghost-catching business in New York City.  It also marks the fourth collaboration between Feig and McCarthy.

Caddyshack II: Caddyshack II is a 1988 American sports comedy film and a sequel to "Caddyshack".  The film stars Jackie Mason, Dan Aykroyd, Robert Stack, Dyan Cannon, Randy Quaid, Chevy Chase, Jonathan Silverman, and Jessica Lundy.  It was written by various outside writers, but is credited to the first draft by Peter Torokvei and Harold Ramis, who also co-wrote and directed the first, and is directed by Allan Arkush.

Ghostbusters II: 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.

Annie Potts: Anne Hampton Potts (born October 28, 1952) is an American film, television and stage actress.  She is known for her roles in popular 1980s films such as "Ghostbusters" (1984), "Ghostbusters II" (1989), "Pretty in Pink" (1986), "Jumpin' Jack Flash" (1986) and "Who's Harry Crumb? " (1989).  In the 1990s, she voiced Bo Peep in the animated films "Toy Story" (1995) and "Toy Story 2" (1999).  She is also known for playing Mary Jo Jackson Shively on the CBS sitcom "Designing Women" (1986–1993).

Ghostbusters (1986 TV series): Ghostbusters (later called Filmation's Ghostbusters) is a 1986 animated television series created by Filmation and distributed by Tribune Entertainment, based on Filmation's 1975 live-action television show "The Ghost Busters".  It is not to be confused with Columbia Pictures' 1984 film "Ghostbusters" or that film's subsequent animated television show "The Real Ghostbusters".  When making their film, Columbia Pictures needed to obtain rights to use the name from Filmation.

Hsiao Ho (actor): Hsiao Ho, (Hsiao Hou) (; Cantonese: Siu Hau, born 1 January 1958 (age 58) in Meixian District, Guangdong, China) is a Hong Kong martial arts film actor, stunt performer and action choreographer.  A Hakka, he has acted in many films directed by Lau Kar-leung, including "Mad Monkey Kung Fu" and Legendary Weapons of China.  In 1985 he portrayed legendary kung fu warrior Fong Sai-Yuk in the Lau directed action-comedy, "Disciples of the 36th Chamber" and also took a lead role in Fake Ghost Catchers, directed by Lau Kar Wing.  Fake Ghost Catchers is marketed by Celestial Pictures as being made two years before Ghostbusters (inferring that the idea for Ghostbusters may have come from the movie).  Hou is also known for portraying the "disfigured swordsman" and doubling complicated action scenes in 1993's "Iron Monkey".  He was also the action director for the movie Shaolin Avengers (1994).  In 1982 he was nominated for Best Action Choreography for the movie Legendary Weapons of China (for which he was action director) at the Hong Kong Film Awards alongside Lau Kar Leung and Ching Chu who also provided choreography for the film.

Ghostbusters (role-playing game): Ghostbusters is a comedy role-playing game designed by Sandy Petersen, Lynn Willis and Greg Stafford and published by West End Games in 1986.  It is based on the 1984 film "Ghostbusters".

Harold Ramis: Harold Allen Ramis (November 21, 1944 – February 24, 2014) was an American actor, director, writer, and comedian.  His best-known film acting roles were as Egon Spengler in "Ghostbusters" (1984) and "Ghostbusters II" (1989) and Russell Ziskey in "Stripes" (1981); he also co-wrote those films.  As a director, his films include the comedies "Caddyshack" (1980), "National Lampoon's Vacation" (1983), "Groundhog Day" (1993), and "Analyze This" (1999).  Ramis was the original head writer of the television series "SCTV", on which he also performed, as well as a co-writer of "Groundhog Day" and "National Lampoon's Animal House" (1978).  His final film that he wrote, produced, directed and acted in was "Year One" (2009).

Sigourney Weaver: Susan Alexandra Weaver (born October 8, 1949), known professionally as Sigourney Weaver, is an American actress and film producer.  Following her film debut as a minor character in "Annie Hall" (1977), she quickly came to prominence with her first lead role as Ellen Ripley in "Alien" (1979).  She reprised the role in three sequels: "Aliens" (1986), for which she was nominated for the Academy Award for Best Actress; "Alien 3" (1992), and "Alien Resurrection" (1997).  She is also known for her starring roles in the box-office hits "Ghostbusters" (1984), "Ghostbusters II" (1989), and "Avatar" (2009).

Little Shop of Horrors (film): Little Shop of Horrors is a 1986 American rock musical horror comedy film directed by Frank Oz.  It is a film adaptation of the off-Broadway musical comedy of the same name by composer Alan Menken and writer Howard Ashman about a nerdy florist shop worker who finds out his venus fly trap can speak.  Menken and Ashman's Off-Broadway musical was based on the low-budget 1960 film "The Little Shop of Horrors", directed by Roger Corman.  The 1986 film stars Rick Moranis, Ellen Greene, Vincent Gardenia, Steve Martin, and Levi Stubbs as the voice of Audrey II.  The film also featured special appearances by James Belushi, John Candy, Christopher Guest, and Bill Murray.  It was produced by David Geffen through The Geffen Company and released by Warner Bros. on December 19, 1986.

Supporting paragraphs: Ghostbusters II Harold Ramis
Answer: Harold Ramis