Roshar

"Yelig-nar, called Blightwind, was one that could speak like a man, though often his voice was accompanied by the wails of those he consumed."

- The Unmade were obviously fabrications of folklore. Curiously, most were not considered individuals, but instead personifications of kinds of destruction. This quote is from Traxil, line 33, considered a primary source, though I doubt its authenticity.