 When Denise Fox ( Diane Parish ) gets unwanted attention from a man at a party , Fatboy defends her and they end up having sex after Fatboy escorts her home . The next morning , an embarrassed Denise tells him it was a mistake , but he cannot stop thinking about her , and eventually plucks up the courage to go to her house , where she is unable to resist him . However , the relationship ends , and Fatboy then starts a relationship with Poppy Meadow ( Rachel Bright ) after they realise they have feelings for one another . Fatboy is forced out of his home but allows Joey Branning ( David Witts ) to move in with Poppy instead of asking to move in himself . Eventually , Fatboy and Poppy both go to lodge with their friend , Dot . Dot is suspicious when food starts going missing and it is later revealed that Fatboy is a sleepwalker . Poppy suspects Fatboy of having an affair when she sees text messages from " Chloe " ( Siobhan Athwal ) and then sees them together , and prepares to leave , but Fatboy reveals that she is his colleague and he has started working at McKlunkies again . 
