Mischievous, Cold, Calculating, Blunt.
Chelsea have pale skin, long auburn hair (light red in the anime), and red eyes (pink in the anime). She wear a butterfly headphone accessory on her head. She wear vocalist-like clothing consisting of a white, long-sleeve shirt with the collar tied with a red ribbon under a black vest, a red, checkered miniskirt, and black leather below-the-knee boots. She carry her Teigu, Gaea Foundation, wherever she went. She is almost always seen sucking on a lollipop. 