The Rexes are a family consisting of two Tyrannosaurus rex that live in Elmore's junkyard. The first appearance of a family member was Tina Rex in "The Third." Her father later made his first appearance in "The Quest."
- Tina Rex: The fourteen-year-old daughter of Mr. Rex. She attends Elmore Junior High in Miss Simian's class.
- Mr. Rex: The father of Tina. He lives with her in a large house in the junkyard, and has a scarred eye.
Community content is available under CC-BY-SA unless otherwise noted.