Question: what are barney's friends called?
Answer: The main character of the show is a friendly, purple Tyrannosaurus rex named Barney, who comes to life through a child's imagination. He is joined by his other dino pals Baby Bop, BJ, and Riff, as well as a diverse cast of children. The show originally aired on PBS from April 6, 1992 until November 2, 2010.