Gracie was born to Apollo and an unnamed mortal parent in Idaho. When she was old enough she was brought to Camp Half-Blood by an Unknown satyr.
After returning from an early morning hike with her siblings, she sees her father for the first time and joins him for breakfast.
After the Assault on Nero’s Tower, she and her siblings aid in healing the wounded on both sides.
- ADHD: She possesses inborn supernatural battle reflexes and senses that she uses to analyze the fighting style of her opponent.
- Dyslexia: She has dyslexia, her brain being hardwired for Ancient Greek.
- Vitakinesis: She can heal others via singing a hymn to her father.
Gracie is the diminutive form of the name 'Grace', a virtue name derived from the Latin word gratia.