Leo was born in Houston, Texas to mechanic Esperanza Valdez. When he was little, he had a babysitter named Tia Callida, whom later was discovered to be Hera in disguise. She was watching Leo because she knew of his destiny as one of the seven in the prophecy. She tried to "kill" him by putting him in an active fireplace and by letting him play with knives. She 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 a bronze dragon head as the masthead in crayon at the age of five and just as Leo was going to sign his name on the picture, it was blown away by the wind. Tia convinced him to use his abilities to start a fire to "warm these old bones," and he ended up burning hi