Leo Valdez

Leo Valdez is one of the protagonists of the Heroes of Olympus series by Rick Riordan, first appearing in The Lost Hero.

Appearance
Leo has dark hair and skin, characterized by his Latino origins.

Heritage/Family
Leo's mother was Esperanza Valdez, a skilled mechanic. His father is the god Hephaestus. Leo was claimed almost immediately upon his arrival at Camp Half-Blood in the form of a large, glowing hammer appearing over his head.

Abilities
Leo has an innate, almost intuitive understanding of tools and mechanical things; he seems to be able to sense weaknesses in metal. He also has powers over fire, including immunity to burning and the ability to summon and direct fire, which is a rare ability even among children of Hephaestus.