One of the most powerful demigods at both camp Jupiter and camp half blood. Has a mortal little baby sister named Estelle. Mother is Sally Jackson, mortal step father is Paul Blobfish.  When through a lot. Lost his memory temporarily once, from Hera. Fought many wars, monsters, and some gods. Has a pen that transform into a sword. Son of Poseidon. 17 years old. Camp half blood camper. Fatal flaw is loyalty.Actually good at cooking