"When you bring a living being into this world, you have a responsibility towards them. Your duty is to protect them, love them, help them discover the true meaning of their existence. To deprive them of that... is monstrous."-Félix to Kagami, "Pretension

Félix Fathom is a major character in Miraculous: Tales of Ladybug & Cat Noir, serving as the titular main antagonist of the episode "Félix", a major antagonist in Season 4, a major anti-hero in Season 5, and a recurring character in Season 6.