Marrow Sucker

Marrow Sucker was the name of a Laistrygonian Giant who (along with Skull Eater and Joe Bob) was part of a group of giants that infiltrated Percy Jackson's school posing as visitors from Detroit. While undercover they joined a dodgeball game with Percy's new bully Matt Sloan during which they transformed into their true forms and attempted to kill him using flaming dodgeballs. Marrow Sucker participated in this battle and is known to have perished in it.