Question: What actor who is famous for his role in the series Taxi, played Arnold Schwarzenegger's tiwn in the movie Twins?

Context paragraphs:
Conan the Adventurer (1997 TV series): Conan The Adventurer is a weekly one hour American television live action-adventure series.  It was produced by Max A. Keller and Micheline Keller from 1997 to 1998 and loosely based on the fantasy hero Conan the Barbarian.  The TV show premiered on September 22, 1997.  It comprised 22 episodes and was filmed mainly in Puerto Vallarta, Jalisco, Mexico.  The series has reached many countries of the world, more than 150.  Keller Entertainment Group, the same production company responsible for the series "" and "Acapulco H.E.A.T.", continues to market and distribute the series worldwide and the series has longevity among international broadcasters and DVD aggregators.  The role of Conan was played by Ralf Moeller (AKA Rolf Muller), two time Mr. Universe, a native of Germany, and friend to Arnold Schwarzenegger.  The rest of the ensemble cast included Danny Woodburn (Otli), Robert McRay (Zzeben), T.J. Storm (Bayu), Aly Dunne (Karella), and briefly, Andrew Craig (Vulkar).  The script for the 2 hour pilot was written by Steve Hayes, the head of Project Development for the series.  The show was not promoted to be "authentic Conan", but rather a mixture of Arnold Schwarzenegger's and John Milius' interpretation of Conan.  Indeed, the storyline deviated from the essence of the Conan character, as well as that of the Conan earlier depicted in the various Conan comic book series by Marvel Comics, because the adaptation was too peaceful and childish.

Patrick Schwarzenegger: Patrick Arnold Shriver Schwarzenegger (born September 18, 1993) is an American actor and model.  He is the elder son of Arnold Schwarzenegger and Maria Shriver.  A member of the Kennedy family, Schwarzenegger is also a great-nephew of John F. Kennedy, the 35th President of the United States, as well as the late United States Senators Robert F. Kennedy and Ted Kennedy.

Danny DeVito: Daniel Michael DeVito, Jr. (born November 17, 1944) is an American actor, comedian, director and producer.  He gained prominence for his portrayal of the taxi dispatcher Louie De Palma in the television series "Taxi" (1978–1983), which won him a Golden Globe and an Emmy.

Katherine Schwarzenegger: Katherine Eunice Schwarzenegger (born December 13, 1989) is an American author and the elder daughter of actor/politician Arnold Schwarzenegger and broadcast journalist Maria Shriver.  A member of the Kennedy family, Schwarzenegger is a great-niece of John F. Kennedy, the 35th President of the United States.

Patrick M. Knapp Schwarzenegger: Patrick M. Knapp Schwarzenegger (born February 2, 1968) also known under his mother’s maiden name as Patrick Knapp, is an Austrian-American attorney based in Los Angeles, California.  He is the son of Meinhard Schwarzenegger and Erika Knapp, and nephew of bodybuilder, actor and former Governor of California, Arnold Schwarzenegger.

Christian and Joseph Cousins: Christian and Joseph Cousins (born March 17, 1983) are American actors who are identical twins.  As with most cases of actors who are twins, the roles they played were usually shared between the two.  Their most famous role was as Dominic in the 1990 film "Kindergarten Cop" alongside Arnold Schwarzenegger.

I'll be back: "I'll be back" is a catchphrase associated with Arnold Schwarzenegger, which he first used in his role as the title character from the 1984 science fiction film "The Terminator".  On June 21, 2005, it was chosen as #37 on the American Film Institute list, AFI's 100 Years... 100 Movie Quotes.  Schwarzenegger uses the same line, or some variant of it, in many of his later films.

Thal, Styria: Thal (] ) is a small village in Austria about 3.2 km west from the edge of Graz, Austria's second largest city.  Its population in the 2014 census was 2,240.  It is the birthplace of actor, bodybuilder, and the 38th Governor of California Arnold Schwarzenegger, who lived in Thal until 1966 at age 19.  On July 2011, Schwarzenegger opened his childhood house as the Arnold Schwarzenegger Museum.  It also boasts a modern church.

The Last Stand (2013 film): The Last Stand is a 2013 American action film directed by South Korean film director Kim Jee-woon in his American directorial debut.  The film stars Arnold Schwarzenegger, Johnny Knoxville, Forest Whitaker, Jaimie Alexander and Rodrigo Santoro and was written by Andrew Knauer.  This was Arnold Schwarzenegger's first lead acting role since "" in 2003.  The film focuses on a tough small town sheriff and his deputies who must stop a dangerous drug lord from escaping to Mexico in a modified sports car.

Twins (1988 film): Twins is a 1988 American buddy film produced and directed by Ivan Reitman about unlikely twins (played by Arnold Schwarzenegger and Danny DeVito) who were separated at birth.  The core of the film is the contrast between DeVito's streetwise persona matched with Schwarzenegger's intellectual persona.  The original music score was composed by Georges Delerue and Randy Edelman (Edelman would score three more films for the director, whereas this was Delerue's only work for him).

Supporting paragraphs: Twins (1988 film) Danny DeVito
Answer: Danny DeVito