Monochromon

Monochromon is a Champion level Armoured Dragon Digimon that resembles a Monoclonius. His horn is his pride. This horned dinosaur penetrates his enemies with the rushing power of his charge.

Digivolution

 * Rookie (Child) - Gotsumon
 * Champion (Adult) - Monochromon
 * Ultimate (Perfect) - Meteormon, Triceramon

Attacks

 * Volcanic Strike: Shoots fire balls from his mouth at his enemies.

Digimon Adventure
In the third episode the DigiDestined saw two Monochromon that surrounded them and the two Monochromon fought until they fell into the ocean. Another Monochromon pulled Etemon's transport while a bunch of them were seen outside of Datamon's Pyramid who got sucked into the vortex of Etemon's Dark Network with the Tyrannomon and Gazimon thanks to Datamon shooting his attack into it.

Digimon 02

 * Voiced by Richard Epcar

A Monochromon was the first Digimon encountered that was under the control of one of the Digimon Emperor's Dark Rings. He attacked the DigiDestined when they found the Digi-Egg of Courage and chased after them when they fled. He then engaged Flamedramon in a fight and was freed from the Dark Ring by him. Later on, Mexican DigiDestined Rosa's Gotsumon Digivolved to Monochromon to fight Dokugumon and Minotarumon.

Digimon Tamers
A Monochromon was destroyed by Gorillamon in Henry's computer game.

Digimon X-Evolution
A bunch of Monochromon were seen running from Omnimon and other Monochromon were seen as a part of Silphymon's rebel group.