" Thalia, I'm your brother, Jason"
- Jason to Thalia in The Lost HeroJason Grace is one of the main protagonists of the series, The Heroes of Olympus. He a Roman demigod, son of Jupiter, and brother to Thalia Grace. Jason spent 12 years at Camp Jupiter. He was orignally from the 5th Cohort of the 12th legion, and rose to become Praetor. However it is unknown if he will be Praetor again as there was no mention in The Mark of Athena. It was said that Jason loves Piper.
Jason is said to be very good looking. He has tidily cropped blond hair with ice/sky blue eyes. There is a cute scar on his upper lip from when he tried to eat a stapler at the age of 2.
- Weather control
- Ice control (possible)
- Air control
- Electric control