Devidramon

Devidramon is an Evil Dragon Digimon with four blood-red eyes. It is usually ridden by Digimon such as Myotismon and it has been said to have been created as a result of hackers misusing the network.

Digimon Adventure
A Devidramon was first seen pulling Myotismon's stagecoach. A number of them were summoned by Gatomon to prevent the DigiDestined from pursuing Myotismon. Some were destroyed by Garurumon, Kabuterimon and MetalGreymon. The 2nd time into Myotismon's castle, MegaKabuterimon took the remaining two out so that the DigiDestined could get to the door to the Real World. However they were never intended to defeat the DigiDestined, only to delay them sufficiently.

Digimon Adventure 02
The Digimon Emperor rode a Devidramon before and after the creation of Kimeramon. Wormmon tackled the Digimon Emperor and rode the Devidramon on a collision course upon Kimeramon and both were attacked. After Wormmon gave up his remaining energy so that Magnamon could destroy Kimeramon, Devidramon flew off. Another Devidramon larger than normal was seen in New York when Digimon started to appear in the Real World.

Digimon Tamers
A Devidramon Bio-Emerged in the Real World and Impmon freed it from its Digital Field, allowing it to fly around town. It did a lot of damage to Guilmon before Calumon's power activated and Guilmon Digivolved to Growlmon for the first time and destroyed Devidramon with his Pyro Blaster attack.

Digimon Adventure V-Tamer 01
A bunch of Devidramon were with Neo when he invaded Lord HolyAngemon's castle where a large Devidramon punched an Angemon loyal to Lord Holy Angemon. They were sucked into the Gate of Destiny along with the Vilemon and Devimon by Lord HolyAngemon.

Digimon World 2
Devidramon digivolves from Gizamon, and can digivolve further into Megadramon or Gigadramon depending on its DP.

Digital Monsters: D-Project
Devidramon digivolves from Impmon, and can digivolve further into Mummymon or Arukenimon.

Digimon World Dawn/Dusk
Devidramon digivolves from Tsukaimon, and digivolve to Kimeramon or Gigadramon.They can be found in DarkMoonCity and Shadow Abyss.

Digimon World Championship
Devidramon digivolves from either Gazimon (20 Dark-AP/6 Battles) or BlackAgumon (20 Dark-AP), and can digivolve into Megadramon (10 Battles/50% Wins), Cyberdramon (40 Machine-AP), or SkullGreymon over time.

Attacks 
 * Crimson Claw (Crimson Nail): Slashes enemies with its long, sharp claws.
 * Dead Eyes (Red Eye): Hypnotises enemies with its four eyes, making them vulnerable to attack.
 * Dark Gale: Shoots thick beams from his eyes.
 * Black Bite: He bites enemies with poisoning black teeth.