Zero Two is a fictional character from the anime series Darling in the Franxx. She is known for her distinctive pink hair, horns, and a playful yet mysterious personality. As a skilled pilot, she partners with the protagonist, Hiro, to fight against monstrous creatures called Klaxosaurs. In the series, Zero Two is half-human and half-Klaxosaur, which gives her unique abilities. Her character explores themes of identity, love, and the struggle for acceptance. Throughout the story, she develops a deep bond with Hiro, which drives much of the emotional narrative in the series.