Fan:Dorumon (Digimon Advances)

Dorumon (nicknamed X) was the most potential protagonist and partner of Daiki. He was once as the member of the Dark Kings until he betrayed them because of Chronomon Dark using them for evil.

Dexmon's data
The Dexmon's data was found by Millenniummon in Yggdrasil's space and took the sample of data to recreate it, as a result, DexDorugoramon.

Dorumon
He is the Rookie form of DexDorugoramon due to his evolution failure process. He was found by Daiki and the others when they got in the Digital World.

DexDorugoramon
The Mega form of Dorumon before his evolution failure begins to revert back to Dorumon.