|Birthday:||June 27, 1953|
|Children:||Kelly Hayfer (daughter)|
|Portrayed by:||Julia Duffy|
|First Appearance:||Mean Teacher|
|Last Appearance:||Merry Christmas, Drake & Josh (cameo)|
Linda Alice Hayfer is a recurring character on Drake & Josh.
She is Drake and Josh's English teacher. She adores Josh, due to his hard-working personality, but hates Drake due to his consistently poor performance in school. In fact, her catchphrase is "I hate you, Drake", with Drake responding, "I know". She also always says "To the nurse!", which is her own bizarre way by telling people to leave her classroom.
Mrs. Hayfer also has a daughter named Kelly, who Drake briefly dated, much to her discontent. In "Honor Council", she comes into the classroom to find her car parked where Drake and Josh's seats were originally and accuses Drake of putting the car there, but her star student, Mindy, was the real culprit. In this episode, it was said that her first name was "Alice". However, in "Vicious Tiberius", her name is shown in a video as Linda Hayfer. She also appears in the television film, Merry Christmas, Drake & Josh while Drake is driving his car.
- She has a vicious Rottweiler dog named Tiberius.
- She hates Drake and likes Josh a lot, which contrasts how most people feel about the brothers.
- Judging by Drake’s drawings of Mrs. Hayfer in Honor Council, it appears that Drake hates her back.
- Mrs. Hayfer's last name was inspired by Steve Hoefer (who works with Dan Schneider), whose last name is pronounced 'Hayfer'.
- In Honor Council, Josh said her first name was Alice, but in Vicious Tiberius, her first name is shown to be Linda during her appearance on Search for the Stars.
- Mrs. Hayfer and Helen Dubois seem to have somewhat opposite personalities: They're not seen together in the same episode, however, except Merry Christmas, Drake & Josh, required a movie. Mrs. Hayfer dislikes Drake, but adores Josh, while Helen dislikes Josh, but adores Drake.
- Mrs. Hayfer gives all the credit to Josh and mistreats Drake like always. However, in Honor Council, Mrs. Hayfer apologizes to Drake for thinking he's the one that put her car into her classroom even though he tells her he didn't, except even though she apologizes to him and admits her mistake, she still says she hates him no matter what.
- No one in her class laughs at her jokes according to Vicious Tiberius.
- In Honor Council, the closed-captions misspelled Hayfer as Haeffer.
- She was mentioned in Megan's First Kiss.
- Mrs. Hayfer never really goes to the premiere, but in Little Sibling, it's the only episode she's at the premiere.