Alexis' character design was overseen by Kenichi Hara. Her usual outfit consists of the standard sleeveless female Obelisk Blue uniform which consists of: a blue skirt combined with a belt colored in a light blue hue, white socks, blue boots, a sleeveless jacket made of white colored fabric with some blue marks around the collar and on the front side in chest level. Her attire also features an optional pair of fingerless gloves which reach from wrists up to her elbows.

Her long, dark blond hair is sporadically arranged, with a large portion trailing the upper part of the nape of her neck. She has hazel eyes. She carries an Academia Disk on her left arm. During her senior year, she carries a Duel Disk with blue trim representing the Obelisk Blue dorm on her left arm.

In the Yu-Gi-Oh! GX series, Mindy (known as Momoe Hamaguchi in the Japanese version) is an Obelisk Blue student characterized by her distinct dorm-standard appearance. Her physical design remains consistent throughout the series as a minor recurring character and friend of Alexis Rhodes. Physical Features Hair: She has shoulder-length black hair with bangs. Eyes: Her eyes are brown. Expression: Mindy is often seen with a cheerful or boy-crazy expression, frequently shown with "heart eyes" when around attractive male duelists like Atticus Rhodes or Aster Phoenix. Attire Standard Uniform: As a member of the elite Obelisk Blue dorm, she wears the standard sleeveless female uniform, which consists of a white sleeveless jacket with blue trim, a short blue skirt, and blue boots. Undergarment: She typically wears a black tank top underneath her white jacket. Accessories: She wears a blue belt where her Deck is attached. Duel Disk: Like most students, she carries a standard Duel Academy-issued Duel Disk on her left arm during matches.

Jasmine (known as Junko Makurada in the Japanese version) from Yu-Gi-Oh! GX is a minor character and one of Alexis Rhodes' best friends in the Obelisk Blue dormitory. Her physical appearance is characterized by: Hair and Eyes: She has brown hair and gray eyes. Casual Wear: She is often seen in a light brown sleeveless shirt, a green skirt, black longstockings, and lavender sneakers. Formal/Special Outfits: Bridesmaid: At Jaden and Alexis' wedding, she wears a teal strapless mini dress and no shoes. Date Night: For dates, she wears a light brown strapless mini dress with black high heels. School Uniform: As an Obelisk Blue student, she wears the standard female uniform. She is frequently seen alongside her fellow Obelisk Blue friend, Mindy.