Physical appearance: Celia is a Caucasian female, with short violet hair. She wears a E.T.I.S. janitor's uniform, which is a tan overall with the base's logo on the shoulders. Her shoes are a darker shade of tan than her outfit. Personality: Celia was quiet and secretive. When she revealed her motives to the gang, she was cooperative and calm. History, What's New, Scooby-Doo?, Season one: She was sweeping the floor of the auditorium where the Space Ape was first sighted. Appearances: .What's New, Scooby-Doo? .103. Space Ape at the Cape