"Left Shark" and his buddy got to live the dream while serving as backup dancers for Katy Perry during the Super Bowl XLIX halftime show. Now that the game is over, it's back to real life.In the latest "This Is SportsCenter" ad, Left Shark and friend have to return to work in snowy Bristol, Connecticut. Once inside the building, the identity of "Left Shark" is finally revealed.ESPN could be on to something here. Imagine turning on the television and seeing Left Shark hostingSportsCenter.It would be everything any sports fan could ever wish for.[ESPN] Click here to read full news..