| Character Information
The Librarian works at Elmore Junior High as the school librarian. She is a tree with yellow bark (skin), and turquoise leaves (hair). She also wears a turquoise dress, and a very large pair of red rounded spectacles. As an elderly character, she has wrinkles along her face.
- "The End": Walks by the school bus before it drives off, and is also seen for a split second standing in line at the supermarket.
- "The Laziest": She is seen standing in line at the supermarket again. This time, Larry accidentally yells at her, resulting in her leaves falling off.
- "The Mystery": She has a very small cameo in this episode. She shushes Tina after she says "ouch" when the bookcases fell down on her.
- "The Genius": She checks out a book on botany for Leslie.
- "The Helmet": She is one of the people giving Nicole a job interview.
- "The Curse": She is seen inside an airplane.
- "The Flakers": In the library.
- "The Virus": She walks in the library.
- "The Castle": She is one of the guests at the Watterson's House and has her first actual speaking role.
- "The Plan": She is seen at Elmore Park.
- "The Name": She is in the shopping line.
- "The Extras": She sings "Just Notice Us".
- "The Gripes": She helps Gumball and Darwin raise money.
- "The Move" She's in the library, shushing Gumball, Darwin, and Clayton
- "The Law": Appears waiting for ice cream, she later appears driving her car during Doughnut Sherrif's driving rampage.
- "The Mothers": She walks through Elmore Mall.
- "The Password": She's driving her car on Elmore Expressway, barely dodging the Watterson's cars.