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You know Vin Diesel as the pumped-up, deep-voiced action star who headlines high-octane movies like "Fast & Furious 6" and "XXX," but there's much more to the actor than meets the eye.
We bet you'd be surprised to know the "Riddick" star got his start in theater or that he once appeared in a very funny instructional video for a very '80s dance phenomenon.
Intrigued? Read on to find out 15 tidbits you probably didn't know about Diesel.
1. His mother was an astrologist/psychologist.
2. His real name is Mark Sinclair Vincent; he changed it after he started bouncing at New York City clubs at age 17.
3. As a teen he appeared in an instructional breakdancing video called "Breakin' in the USA." Seriously. Here it is: