Super Bowl LII is just around the corner, and anticipation for this year?s halftime show has many remembering the internet?s favorite big game entertainer: Left Shark. Three years ago, before the New England Patriots beat the Seattle Seahawks in Super Bowl XLIX, Katy Perry performed ?Teenage Dream? at halftime with two backup dancers dressed as sharks. Bryan Gaw, the dancer inside that Left Shark costume, revealed to NPR?s David Greene that his flailing was all planned out.