Heather is Ozzie's daughter and is a bit annoyed at his dramatic behavior. It is unknown who her mother was.
Throughout the film, she is embarrassed by her father for playing dead in response to even the slightest things that happen to him (such as a sleet of snow falling on his head).
However, near the end of the film, she uses this to trick humans (even Ozzie) into thinking she was dead.
Heather is annoyed by her father's behavior.
Heather is a 16-year-old opossum. She has white fur. The pads of her feet are light pink. She has a long black tail. Her nose is pink and her ears are black and speckled white and her eyes are blue.
- The film was Avril Lavigne's first film voice-over.
- There is a hint that Heather might have a crush on RJ.
- Heather's eyes are similar to her voice actress Avril Lavigne.