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. It is a dark digivolution of Growlmon. It has SkullGreymon at its rival, They are both rampaging Digimon. It's Chrome Digizoid is the Skull claw. 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.
- Dark Shot II (Ground Zero II): Fires a one organic missile from its back.