|First appearance||Image Problem|
|Voiced by||Jodi Forrest|
Yolanda Perraudin, originally Dorothy Perraudin, is the nurse at Kadic Academy.
She is tall, short-haired blonde, who wears a short blue skirt, a crimson pink shirt, brown heels, blue earings, and a lab coat.
She is the only known worker at the Infirmary, and probably runs it.
In the French version of Code Lyoko, she is voiced by Alexandra Correa.
- She was possessed in "Tip-Top Shape."
- She was turned into a zombie in "Attack of the Zombies."
- She appeared in "Killer Music," and was a victim of the associated attack.
- She appeared in "Amnesia."