Malcolm is a son of Athena. He is second-in-command of the Athena cabin.
He's been at camp ever since he was seven and has been an all-year-rounder.
Malcolm has grey eyes and blond hair. His eyes seems to always either look like its calculating a person or seeming to be thinking so far that they've gone to another universe. He has a slight athletic build and usually wears smart clothes when not training.
Malcolm seems to be more focused on his work than relationships with other people due to him not having an actual place outside of camp. Although he looks like he's antisocial, he does, most of the time, talk with people but only for a little while. It's because of what happened in the past that's made him scared something bad will eventually happen that he's always locked up inside his cabin.
When he's not planning a battle strategy, he gets along with people just fine. He's also considered to be a good friend, always taking into account other people's worries and needs. He can detect many things from people's movements and expressions as he was the first to know of Percy's and Annabeth's feelings for each other.
- He doesn't have a last name due to his past.