The Barney the Dinosaur costume is a costume for boys and men. It features the fictional character Barney the Dinosaur from the hit educational TV series Barney & Friends. While common among children, it is exceedingly rare among adults.
The costume is great for a family when paired with other related costumes, such as Baby Bop and BJ, with the child wearing whichever costume their favorite character is. A four-person family can even dress a baby up as Riff, Baby Bop and BJ's cousin.