Ugga Crood is a cavewoman who is Grug's wife, Eep, Thunk, and Sandy's mother, and Gran's daughter. She is more open-minded than Grug, but also finds it difficult to keep her family safe, especially since Grug seems to do it all himself.
- Ugga is voiced by Catherine Keener in the movies and Cree Summer (known for Cleo and others) in the Netflix series. Dawn of the Croods.
- Ugga will meet Barney the Dinosaur in Barney meets The Croods.