Ebonwumon

Ebonwumon is the Oldest Digimon Sovereign, resembling a tutrtle with an second snake-like head and is the Gaurdian of the North. The Japanese name is Xuanwumon. He attacks with Phantom Mist and Black Hail.

Digimon Tamers
Ryo Akiyama and Cyberdramon encountered Ebonwumon in Baihumon's territory. He later appeared to help fight the D-Reaper.