Caityln Gellar is an aspiring music producer and dancer. She is Mitchie's closest and most supportive friend at camp, and stands by her before and after her secret is revealed. Caitlyn has an ongoing rivalry with Tess, for whom she once served as a backup singer, and tries to warn Mitchie about Tess' thirst for talent, attention and power. Caitlyn is often seen carrying a silver laptop, on which she produces music, and is later revealed to be a talented pianist, dancer, choreographer and occasional songstress. She's a Main Character of Winnie the Pooh Goes to Camp Rock and Littlefoot Goes to Camp.
- She's played by Alyson Stoner.
- She Will Meet Pooh, His Friends, The Vultures (Buzzie, Flaps, Ziggy, and Dizzy), Jiminy Cricket, Donald Duck and Goofy. She Will Be Seeing Them Again on Sora's Adventures of Winnie the Pooh and the Honey Tree as Well as Sora's Adventures of Winnie the Pooh and the Blustery Day, as She Joins on Sora's Adventures.
- She Lives Near the Hundred Arce Woods.
- She Will Meet Littlefoot and His Friends on Littlefoot Goes to Camp Rock.