Dress-Up Chest is a major character in Blue's Room.
Dress-Up Chest appears whenever Blue and friends need costumes, whether it is to act out a story or to go on a make-believe adventure. He has an endless supply of costumes to choose from, and Blue often asks the viewer which one of his costumes best fits the theme of the episode.
Dress-Up Chest is mostly purple. He has two egg-shaped eyes with black pupils and a golden lock that can only be opened with Key.
Dress-Up Chest appears in every episode of Blue's Room. He debuted in "Snacktime Playdate," and was last seen in "Mathstronauts." Dress-Up Chest also appears in several episodes of the Blue's Clues series, first in "The Legend of the Blue Puppy" and last in "The Fairy Tale Ball."