The Knock-Knock Door is both a character and the second location in the episode Call Me Mr. Riddles. He is a brown door with light caramel eyes and black pupils. He's got a knack for telling hilarious knock-knock jokes. Retrieved from "https://dora.fandom.com/wiki/Knock-Knock_Door?oldid=61857" Categories: Brown Characters Doors Living Things One episode locations One show characters Season 1 Exclusive Locations Males Community content is available under CC-BY-SA unless otherwise noted.