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THE owners of the worlds biggest pitbull are so trusting that they allow the twelve-stone dog to babysit their newborn son. Marlon and Lisa Grennan will even let world-famous Hulk lick and watch over their tiny boy, Jackson. But its not the first time the couple have done this, as their eldest son, Jordan, grew up with Hulk and other American pitbull terriers on their property in New Hampshire, USA. Marlons company Dark Dynasty K9s specialise in training elite protection dogs for the police, celebrities and billionaire clients around the world. They hit fame in new when videos featuring Hulk and their other dogs went viral - clocking up more than 100 million views on YouTube alone.\r
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Videographer / director: Ruaridh Connellan\r
Producer: John Balson, Nick Johnson\r
Editor: Joshua Douglas\r
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