Vademon is an Ultimate-level, Alien type Digimon of the Dark Area. Known for its flamboyant, yet terrifying personality, Vademon is a particularly devious Digimon known for stealing the hearts of unfortunate souls it comes across. Perhaps Vademon's most famous appearance was as the antagonist of Episode 24 of Digimon Adventure "No Questions, Please" in which he stole Koushiro "Izzy" Izuma's heart.