Not only are Sphen and Magic real gentoo same-sex penguins who "adopted" an egg to raise a baby penguin, they're not the only ones, nor the first. Several zoos, including Berlin Zoo and NYC Central Park Zoo, have had success with same-sex penguins, including chinstrap and king, adopting young.
Sam is handed a flyer for the dance club at Denton University. The initials of the club spell DUD.