Wow, did I just say that?
She has bright pink hair. Her hair is curled in to buns on the sides of her head. She wears a yellow t-shirt and pink gym shorts. She wears pink sneakers and yellow socks. She wears a yellow bracelet on her right arm.
In "Welcome to Magix!," she is seen entering the school with the other arriving freshman Fairies.
In "Miss Magix," she is seen in Professor Palladium's class.
In "The Witches' Seige," she is seen in Alfea's courtyard.
In "Professor Avalon's Secret," she is seen in Alfea's Dining Hall.
She does not appear again until toward the end of the issue attending the Meeting Dance between the Alfea Fairies and the Specialists of Red Fountain. She marvels at the magical rainbow butterflies that fly out of the magic eggs that the Specialists prepared as gifts, which also shows the Winx that their counter-spell worked.
Lin Poo may know some basic, first-level spells that all fairies can use, such as telekinesis, transmuting objects, and fixing minor messes. In the comic's it's shown Lin Poo can cause her hair to change color from pink to red.