Vernix

Vernix is the king of the green Goblins of the Abyss. While being of limited intelligence, his ego is huge and he needs constant praise to be kept talking.

When the Avatar met him on the first level of the Abyss in Ultima Underworld I, the hero had to be downright slimy, constantly stroking Vernix' ego in order to get information out of him and preventing him from cancelling the audience. The Avatars self-abasement was worth it, as Vernix had quite some information.

Vernix knew of Sir Cabirus and the eight talismans, the Knights of the Crux Ansata, the Seers of the Moonstone, his feud with the grey Goblins and the Lizard Men and their language problems. When the Avatar then bid farewell, Vernix asked when seeing the king of the grey Goblins, if the Avatar could murder him.