The characters:
Perseus: The ¾ titan, son of Kronos, can only die if he is hit with a celestial bronze sword (not any other metals)
Powers: near-complete control over time, can disguise self.
Dave Jackson: An idiot with a crush on Annabeth Chase
Powers: Ok control over water, speaking to horses, breathing underwater
Annabeth Chase: The smartest in the Athena cabin
Powers: INSANELY SMART!