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?
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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". [END] 
Answer: 
Christopher "Big Black" Boykin
Christopher "Big Black" Boykin