A Denebian slime devil (bottom right).
A Denebian slime devil is a foul animal from the Deneb system.
Korax once referred to James T. Kirk as looking like a Denebian slime devil, an insult that offended Pavel Chekov. (TOS: "The Trouble with Tribbles"; DS9: "Trials and Tribble-ations")
Information about Denebian slime devils was displayed by the computer as an okudagram graphic in Keiko O'Brien's schoolroom on Deep Space 9. (DS9: "A Man Alone", "The Nagus")