Jaylen Robinson (born January 25, 1995), known professionally as Rob Stone (stylized as Rob $tone), is an American rapper from San Diego, California.
 He is best known for his debut single, "Chill Bill" from his mixtape "Straight Bummin".
Cornerstone is a New York-based creative lifestyle marketing and public relations agency with offices in New York City, Los Angeles, and London.
 It is helmed by co-CEOs Rob Stone and Jon Cohen.
 The company employs approximately 100 professionals worldwide, in addition to a network of field marketing representatives throughout the United States.
Mr. Belvedere is an American sitcom that originally aired on ABC from March 15, 1985, to July 8, 1990.
 The series is based on the Lynn Aloysius Belvedere character created by Gwen Davenport for her 1947 novel "Belvedere", which was later adapted into the 1948 film "Sitting Pretty".
 The sitcom stars Christopher Hewett in the title role, who takes a job as a butler with an American family headed by George Owens, played by Bob Uecker.
Rob Stone (born September 26, 1962) is an American actor and director from Dallas, Texas, best known for playing teen Kevin Owens on the 1985–1990 sitcom "Mr. Belvedere".
 He later became a writer and director of documentary films, and also performed as part of a band.
Rob Stone (born July 12, 1968) is an American music, media and branding executive based in New York City.
 The New York native attended the University at Albany in 1986 where he studied marketing and finance.
 Stone is the founder of the full-service marketing agency Cornerstone, and co-founder of music and style publication The FADER
Rob Stone is a sports commentator for Fox Sports.
 He has covered various sports including Major League Soccer, NCAA and NFL football, and ESPN's coverage of PBA Tournament Bowling alongside color commentator and PBA Hall of Famer Randy Pedersen.
MLS ExtraTime is a Major League Soccer highlight show that aired on ESPN2 in 2000 and 2001.
 Rob Stone co-hosted first with Roy Wegerle, then with Alexi Lalas, in 2000 and with Dave Dir in 2001.
 Stone and Dir often handled halftime during MLS games.
The Fader (stylized as The FADER) is a New York City-based music magazine launched in 1999 by Rob Stone and Jon Cohen, covering music, style and culture.
 It was the first print publication to be released on iTunes.
The Timber and Stone Act of 1878 (45th Congress, Sess.
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FADER Label is an independent record label based in New York City that has released albums by Matt and Kim, Yuna, Editors, Neon Indian, Birdmonster, and Saul Williams.
 It was founded in 2002 by Rob Stone and Jon Cohen.

Question: What sitcom did Rob Stone act on?
Answer: American sitcom