Umadon

 is a Bugbear living in Asarius. As an NPC, is played by Matthew Mercer.

Fjord interrogated Umadon while the Mighty Nein were investigating the Abyssal rifts opening in Asarius. After Fjord convinced Umadon he was someone important, Umadon admitted that he had killed his neighbor's wolves. He said two beautiful bugbears that visit him in his dreams told him to do it.