It’s a question wrestling fans ask themselves with a regularity that’s surprising, given the nature of the industry: Which of these people could win a fight for real? The Legit Tough Guy is the answer, a folkloric figure whose assured existence and debated identity is perhaps unique to wrestling, which straddles the line between sport and drama. It’s hard to imagine ballet-goers, for instance, debating which ballerina is a swan in real life, and there’s…