Malcolm Pace

Malcom belongs to the Athena cabin, and is a son of Athena.

History
Malcom happens upon Percy and Annabeth almost kissing, and he apologizes and leaves, but the moment was already ruined by Percy's awkwardness.

Malcom was one of the campers that fights for Olympus in the battle of New York City, and presumably survives, as he is not among the list of casualties.