Vin Diesel (born Mark Sinclair Vincent), actor, writer, director producer. The name "Vin" is simply a shortened version of "Vincent", the nickname "Diesel" comes from his friends who said he ran off diesel fuel, referring to his non-stop energy. He is known for his roles in Pitch Black, The Fast and the Furious films, xXx, Saving Private Ryan The Chronicles of Riddick. He also earned acclaim for the voice of the title character in the film The Iron Giant. He has a twin named Paul Vincent.