Viewers have been won over by the quick-witted and quirky former England international. But do they all know about the groin-grabbing and that ‘horse’ of his? Viewers have been won over by the quick-witted and quirky former England international. But do they all know about the groin-grabbing and that ‘horse’ of his? It’s difficult to know where to begin with a not-so-quick guide to Celebrity Traitors’ breakout star , Joe Marler. The BBC series has introduced a wider public to the tattooed, 18-