Talos (prototype)

Talos is a defective of the original Talos. He is a giant bronze Automaton made by Hephaestus. He was thrown into the Junkyard of the Gods after he didn't work well.

The Titan's Curse
Percy, Thalia, Grover, Zoë Nightshade and Bianca di Angelo encounter Talos on a quest to save Artemis and Annabeth. Bianca accidentally activates Talos by taking a Mythomagic figurine her brother didn't have, and they battle the giant automaton. Percy sees a panel in the giant's foot and tells Bianca to distract it. She tells Percy it's her responsibility, and she gets in to control the giant. Unfortunately, Talos trips over an electric power line releasing electricity and ultimately kills Bianca inside. Her body is never found.

Trivia

 * It does not like to be called defective, because it attacked the group when Thalia said that he must be a defective prototype, though this maybe a coincidence.