Fred Bitters was a guest character in the episode, Attack of the 50 Inch Girl. She bullied Scott, Leonard, and Ian and was visiting Fala D. Roosevelt. At the end, Leonard and Scott decided to confront her but she just ran herself outta town and never ever came back. She is voiced by Nancy Cartwright.
- She is similar to a villain in Rocket Power, as they are both small girls and are both brutal.
- Fred's voice sounds like Prudence the Junk Food Kid in Rugrats.