Hazel is a Cocker Spaniel Dog and is a neat freak, who would react when She sees the Mansion messy, sees the Rat brothers, or anything dirty. She however means well, and is Fritz-Carlos' Mate.
- Hazel is voiced by Pat Carroll, who voiced Ursula in "Disney's Little Mermaid" and Katrina Stoneheart in the 80s edition of "Pound Puppies".
- Seen in Look Homeward, Foofur, Hazel once lived near Willowby Park until She married Fritz-Carlos.
- In You Bet Your Life, Hazel's favorite color is red.
- In the Italian Version, Hazel's name was Doris.