James "Sonny" Crockett was a fictional character from the Miami Vice television series and film.

In 1931, Marty McFly was interviewed by Edna Strickland concerning the recent arson attack on the speakeasy. When asked for his name, Marty replied "Sonny Crockett", taking advantage of the anachronism, as nobody from this time would recognize the name. Marty continued to use this name until trying to convince a young Emmett Brown that he should continue as a scientist, at which point he revealed his real name to Emmett.


  • In Back to the Future: The Game, the player is allowed a choice of three names for Marty, so the inclusion of this name is determined by the player. The other two names are 'Harry Callahan' and 'Michael Corleone'.


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