|Prior forms||Tyrannomon, or Devidramon|
|Next forms||Megidramon, or BlackMagnaTyrannomon|
MegidoTyrannomon is an Evil Dragon/Dinosaur hybrid Digimon whose name and design are derived from "Megiddo Tyrannomon". Its design is also derived from the mythological Ào Shùn (敖順?), Dragon King of the North Sea. He is a corrupted digivolution of Tyrannomon. He was similar to his rivals SkullGreymon, They are both rampaging Digimon. His Chrome Digizoid is the Skull claw. He also known as MegiTyrannomon. Its Appearance, with a Evil Dragon's head from Megidramon and with a larger MasterTyrannomon body with a Skull arms, the six skeletal wing on his back with no Missile, he has a spinal cord on his chest from SkullGreymon.
- Meggido Viper: Attacks with flames from his mouth.
- Meggido Shot (Meggido Destroyer): Launches an two organic missile from its rib cage.
- Skull Slasher (Dark Slash): Attacks opponent with its Skull arms, knocking them down.