Jensen Ackles blew us away last year when he totally nailed a couple classic rock songs at Supernatural's VegasCon. We had no idea he could sing so well, which got us thinking, what else don't we know about the actor? We know he makes pretty epic faces on the show, and of course we know he's got plenty of hot pictures. We even know he can rock the hell out of a shirtless cowboy photo shoot. We're pretty sure these facts might be common knowledge to Supernatural superfans, but keep reading to either surprise yourself or brush up on your broad knowledge.