Grug Crood is a caveman who is the well-meaning, overprotective but old-fashioned patriarch of the Croods family. His wife is Ugga, his kids are Eep, Thunk, and Sandy, and his mother-in-law is Gran.
- Grug is voiced by Nicholas Cage in the movies and Dan Milano (known for ?) in the Netflix series, Dawn of the Croods.
- Grug will meet Barney the Dinosaur in Barney meets The Croods.