Dracmon

Dracmon is an Undead Digimon from the dark area and is a mischievous bloodsucker. If its mischief involves danger, it will not shrink away from it and views it as a challenge. It has been said it began to die when it tried to draw graffiti of the faces of the Digimon Sovereigns. Recently, it has started to cause mischief for the Royal Knights. Its name comes from Dracula.

He is a natural carrier of the X-Antibody.

Digimon Xros Wars: Hunter Boys Crossing Time
He is confirmed to be a character in the upcoming series.

Digimon World DS
Dracmon digivolves from Tsunomon, and can digivolve further into Sangloupmon depending on its stats.

Digimon World Dawn and Dusk
A Dracmon appears in the Tournament DigiZone, where he can talk with the main protagonist about different topics depending on previous events. You can also find it in the mansion part of Thriller Ruins.

Dracmon digivolves from Tsumemon, and digivolves to Sangloupmon. To digivolve or degenerate to Dracmon, your Digimon must be level 9.

Digimon Story: Lost Evolution
Dracmon appears as an enemy in a number of DigiFarm quests from Agumon-line Digimon. He plays tricks on the Agumon-line Digimon, thus they ask the player to help lecturing him.

Dracmon digivolves from Tsumemon and can digivolve into Sangloupmon or Musyamon. It is only obtainable by digivolution or degeneration.

Attacks 
 * Undead Fang: A terrible crunch attack that drains opponent's life.
 * Eye of Nightmare: Hypnotizes Digimon with the eyes on the palms of his hands to be his slaves.