Now you can have your pop culture and eat it, too. Amherst, Mass.-based True Confections wraps its chocolate bars with paeans to such entertainment faves as SpongeBob SquarePants, Buffy the Vampire Slayer, Spider-Man, and Scooby-Doo. Sold at Toys ”R” Us and Tower Records ($1.49-2), the bars were the brainchild of TC prez Don Todrin, who’s been bringing fans and sweets together since 1998. ”You’re talking religion here. People will approach a counter and see a bar and they will uncontrollably grab it in their hands and say, ‘I must have this!”’ Did somebody say Scooby snack?