Robin Raven is a member of the Birdwatcher's Club and the Down with Lee Club. She became a member of the Down with Lee Club when she was put in detention when Lee pulled a prank on the 15th Graders in order to get them detention.
At first Robin doesn't remember why she hates Lee but is reminded by Irwin that it's because he got her into detention. Afterwards she seems to go all out on her dislike for Lee. Robin was the one who invited Camillio into the club, and took a video of Cam and Lee fighting.