Zanbamon is one of the main villains in the comic book Digimon Next, but he is also one of the main villains in the manga Digimon Xros Wars and minor villains in the anime reboot of Digimon Adventure.
Zanbamon is a Mega Level Digimon that resemebles a shogun or samurai that appears to be riding a zombified horse. However, it turns out that Zanbamon's entire lower half is the zombified horse.
Zanbamon was a member of the Commandments. He originally served as one of the Commanders of the army. Despite serving Barbamon, Zanbamon had a sense of honor. After he was defeated, he redeemed himself and help the main protagonists defeat NEO.
Digimon Xros (Manga)
Zanbamon is a member of the Bagra Army. He served as one of the generals.
Zanbamon has attacked and destroyed many Digimon home villages. No one has been able to win it, even though many Digimon have fought it, lost the battle, and died by it. When Yamato fought against it with the advanced forms of Gabumon, it was too harsh an opponent for them, but when Yamato caused WereGarurumon to develop into CresGarurumon, he was opposed to it. During a fierce battle, CresGarurumon managed to destroy it.