A voluptuously thicc big breasted blonde teenage woman with a heavily made-up face, blue colored eyes and vanilla skin. She wears a yellow jacket and a light black shirt with 2 white stripes. She hates how other people don't look/dress like her. She’s in love with her looks and will forcibly give a chloe makeover to people who she views as unfashionable. She likes to corrupt kind charitable people into mean greedy fashion obsessed bitches like her.

Bitchy, Narcissistic, Self-Centered, Pompous, Rich

Elisabeth "Sissi" Delmas is a mean, conceited, spoiled and "popular" student at Kadic. She often pesters Team Lyoko, most of the time to win Ulrich or Odd's affections. However, it seems that her actions toward Team Lyoko is an attempt to gain attention and respect from them, as she admits in Holiday in the Fog, much to her tearfulness. She is also the daughter of Jean-Pierre Delmas, the principal of Kadic, the boarding school she attends and lives in. She even has her own room there.