<P> Denzel Washington playing Coach Boone in Remember the Titans (2000) uses the line to initiate dominance over two student athletes . </P> <P> In the film Mr. & Mrs. Smith (2005), Angelina Jolie speaks the phrase after taking down adversary Brad Pitt . </P> <P> In an episode of Stargate SG - 1 Jack O'Neill (Richard Dean Anderson) calls out "Who's your daddy?!" after finishing off a horde of Replicators, using a new form of weapon . </P> <P> In the movie "Master of Disguise" (2002), Pistachio Disguisey continually says the phrase as he is sparring with a wooden robot . </P>

Where did the phrase who's your daddy come from