Saelt-Marae/Legends

Saelt-Marae, often called Yak Face, worked as an informant for Jabba the Hutt: he would mingle with Jabba's henchmen, and then tell him if any of them were plotting against him. He was aboard Jabba's sail barge when it met it's destruction.

Toys
A Yak Face action figure was one of "the last seventeen".