Boxer is a character in Panty & Stocking with Garterbelt. He is a human, who first appeared as Panty's date in the the third strip of the manga special, "Hole Guys: We're the Dancing Hole Brothers".
Boxer has a huge package, though he is rather unintelligent. At prom, Brief accused Boxer of being a ghost, but soon realised he was mistaken. Panty had sex with him at the end of the chapter.