Question: What is the name of this American television personality and musician, who is the best friend of Rob Dyrdek with whom he starred in a reality television series?

full_context: Document 1: List of Rob Dyrdek's Fantasy Factory episodes: The following is an episode list for the MTV reality television series "Rob Dyrdek's Fantasy Factory". The show follows the lives of professional skateboarder Rob Dyrdek, his cousin Drama, and the staff of The Fantasy Factory.
Document 2: Chris Robinson (singer): Christopher Mark "Chris" Robinson (born December 20, 1966) is an American musician. He was the singer of the rock and roll band The Black Crowes and brother of its guitarist Rich Robinson.
Document 3: Chris Larceny: Chris Fraser (professional name Chris Larceny) is an African-American urban music and hip-hop music video, television and film director affiliated with Miami's ghost writer and Industry Executive Dray Skky, During the years spanning 2006 through 2010, Chris Larceny was the Director of Film for music label Poe Boy Music Group. Poe Boy Music Group is known for launching the careers of Rick Ross, Flo Rida, Jackie O and Brisco. Chris Larceny directed the films "The Game Don’t Differ", "M.I Yayo", "Money Right" and Flo Rida's R.O.O.T.S. Larceny has been the Second Unit Director/Assistant Director for The History Channel series Gangland and Trina: Live and Uncut. In 2010 Chris Larceny directed the music video ‘Gon Jock featuring Wyclef Jean, Lil Boosie and Haitian Fresh. Chris Larceny is currently in production of his television series "THE LICK" starring Clifton Powell and James Anthony Brown.
Document 4: Rob Mariano: Robert Carlo Mariano (born December 25, 1975), known by the nickname Boston Rob, is an American television personality, widely known for appearing in several reality shows, including "Survivor", and "The Amazing Race" with his wife, Amber (Brkich) Mariano. In 2011, he won "" and the $1,000,000 prize in his fourth appearance on "Survivor".
Document 5: Rob Dyrdek's Fantasy Factory: Rob Dyrdek's Fantasy Factory is an American reality television series that aired on MTV and debuted on February 8, 2009. The factory is a space for skateboarder Rob Dyrdek to manage two aspects of his life, business and pleasure. The 25,000-square-foot complex contains two distinct areas: A warehouse designed for skateboarding and an office complex. Dyrdek's cousin, Christopher "Drama" Pfaff serves as Dyrdek's assistant on the show. Christopher "Big Black" Boykin, originally from "Rob & Big", made his debut appearance to the Fantasy Factory beginning in the fourth season. Rashawn "Bam Bam" Davis, who co-starred with Rob, Big Black, and Drama in "Rob & Big", made his first appearance in the Fantasy Factory on the third episode of Season 5. Throughout the series, guest appearances included Ryan Sheckler, John Mayer, Danny Way, Steve Berra, Ludacris, and Johnny Knoxville and Chris Pontius from "Jackass".
Document 6: Robby Robinson (bodybuilder): Robby Robinson (born May 24, 1946) is an American former professional bodybuilder. Known early in his career as Robin Robinson, he is also known as The Black Prince and Mr Lifestyle. He won various competitions including Mr America, Mr World, Mr Universe, Masters Olympia, and other titles of the International Federation of BodyBuilding & Fitness (IFBB), and appeared in several films (including the landmark docudrama "Pumping Iron") over a 27-year career as a professional bodybuilder, retiring from competition in 2001 at the age of 55.
Document 7: Rob (TV series): Rob (stylized in promos as ¡Rob!) is an American sitcom television series that premiered on CBS on January 12, 2012, at 8:30 pm (ET) as a mid-season replacement for "Rules of Engagement", and ended on March 1, 2012. The series stars Rob Schneider alongside Cheech Marin, Claudia Bassols, Diana Maria Riva, Eugenio Derbez, Ricky Rico, and Lupe Ontiveros. The show was produced by "Two and a Half Men"' s The Tannenbaum Company and CBS Television Studios. On May 13, 2012, CBS canceled the series.
Document 8: Wildboyz: Wildboyz is an American spin-off television series and follow-up to "Jackass", which debuted in 2003 on MTV and moved to MTV2 in its third season. Steve-O and Chris Pontius are the stars of the show, who perform stunts and acts with animals, often putting themselves in situations for which they are not trained. The two are both stars in the hit movies "", "Jackass Number Two" and "Jackass 3D". They travel to different parts of the globe, performing their stunts in exotic environments while educating their audience on wildlife and local culture. Season 4, the show's final season, made its debut on January 6, 2006, at 9 pm EST as a part of Sic 'Em Fridays on MTV2.
Document 9: Christopher Boykin: Christopher "Big Black" Boykin (January 13, 1972 – May 9, 2017) was an American television personality and musician best known for his role on MTV's "Rob & Big", which followed him and his co-star, skateboarder Rob Dyrdek.
Document 10: Rob &amp; Big: Rob & Big is an American reality television series that follows the lives of professional skateboarder, actor, producer Rob Dyrdek and his best friend and bodyguard Christopher "Big Black" Boykin. It premiered on November 4, 2006, and concluded on April 15, 2008, after three seasons. Reruns of the series air on the MTV sister network, MTV2. The series was followed-up with "Fantasy Factory".
Document 11: List of Rob &amp; Big episodes: The following is an episode list for the MTV television series "Rob & Big". The show follows the lives of professional skateboarder Rob Dyrdek and his best friend and bodyguard Christopher "Big Black" Boykin. The series premiered on November 2, 2006 and featured eight episodes in each of its first and second seasons and sixteen episodes in the concluding third season. Along with the regular episodes, the series feature three recap specials.
Document 12: Wild Grinders: Rob Dyrdek's Wild Grinders, also known simply as Wild Grinders, is an animated television series airing on Nickelodeon's sister channel Nicktoons. The series is created by, produced by, and loosely based on the life of professional skateboarder and reality TV star Rob Dyrdek, with distribution by Moonscoop. It made its second broadcast on U.S. television on April 27, 2012. Various animated shorts featuring the "Wild Grinders" characters had previously been seen and continues to be seen on Kabillion, a video on demand channel and streaming video website partially owned by Moonscoop.
Document 13: Rob Mancini: Rob Mancini is an Emmy Award winning television producer based in Los Angeles. His shows include, "Fast N' Loud", "Home Made Simple", Street Outlaws, and "The Dead Files".
Document 14: Rob Dyrdek: Robert Stanley Dyrdek (born June 28, 1974) is an entrepreneur, former American professional skateboarder, actor, producer, and reality TV star. He is best known for his roles in the reality shows "Rob & Big", "Rob Dyrdek's Fantasy Factory" and "Ridiculousness". He also is the creator of the animated series "Wild Grinders", in which he voices the series' main character, Lil Rob. In 2014, Dyrdek was labeled as one of the "Most influential skateboarders of all-time" by "FoxWeekly".
Document 15: Big Kap: Keith Carter (February 26, 1970 – February 3, 2016), also known as Big Kap and The Wardin, was an American hip-hop DJ who was born in New York City and was later based in Atlanta. In 1995, he was a member of hip hop supergroup The Flip Squad. He was well known for the 1999 album "The Tunnel" with Funkmaster Flex, named after the New York nightclub where he was a regular DJ. He died in Mableton, GA late on February 3, 2016 due to a heart attack. He was 45 at the time of his death. According to his road manager Ab Traxx, Keith dealt with diabetes, but he did not believe it was what caused his fatal heart attack. Keith was previously slated to work on a showcase in Atlanta on the day of his death, shortly after his passing, the event became a memorial for Keith.
ground_truth: Christopher "Big Black" Boykin