- Sixteen years old
- Son of Hephaestus
- Character portrayed by Darren Criss
Leo had a babysitter when he was little named Tía Callida, who was actually Hera. She was most likely watching Leo because she thinks he is vital for the quest. She tried to "kill" him by putting him in an active fireplace and by letting him play with knives and also tried to make him poke a rattlesnake, which he refused to do. This was done to help train Leo to be strong at a young age. He once drew a picture of a flying boat with crayon, but it was blown away by the wind and he began crying. Leo ran away from foster homes six times, possibly because of a bad relationship with his mortal foster parents. According to him, he would joke around, make a few friends and act as if nothing was wrong, but he always ran away eventually. His real mother got killed in a fire accident that was caused by him under the threatening of Gaia. Leo is the only living son of Hephaestus that can manipulate fire. He fixed the bronze dragon and named it Festus (which means happy in Latin). Jason called it Happy the Dragon. He is shown to be extremely powerful, as he was able to hold his ground and even defeat a minor god.
On Olympian RPGEdit
- April 12, 2011 - Joined Olympian RPG
- Jason Grace - Jason is a son Jupiter, and Leo's best friend. They first met in Wilderness School, along with Piper McLean. Later, all three of them went on a quest to save Hera from the giant Porphyrion.
- Piper McLean - One of Leo's friends, daughter of Aphrodite.They also met in Wilderness School, along with Jason Grace. She is also part of Jason's quest to save Hera.
- Nyssa Moran -
|Staff Award: Awarded on August 11, 2011 to commemorate his position as a Super Moderator.|
|Gold Trophy: Awarded on August 24, 2011 for winning First Place in the What If? Writing Contest.|
|Writing Participant: Awarded on August 24, 2011 for participating in the What If? Writing Contest.|
|Banner Contest Participant: Awarded on August 1, 2012 for participating in the Banner Contest.|
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