Azulongmon debut in the new continuity, with a new VA.
Ebonwumon's original mame was Xuanwumon. Xuanwu [Black Tortoise]. And it's japanese counterpart was Genbu [Gen meaning "Phantom/Illusion"]. Genbu was guardian of the north & his element was water. Note that his second head is based that in some representtion, Genbu was represent as a Tortoise with a snake on him.