Chamelemon

Chameleonmon is the Armor Digivolved form of Armadillomon through the Digi-Egg of Kindness. They are great at camouflage. He is known as Chamelemon in Japan.

Digimon Frontier
A bunch of Chameleonmon worked for Petaldramon when raiding the Burgermon Villageand taking one of the Burgermon with them leaving the wife alone. Kazemon, Beetlemon, and Kumamon had difficulty fighting them until the TorikaraBallmon found out where they'd be and attacked them. Kumamon finished the group off and purified them reverting them back to Armadillomon.