Duusta Von Koopa (usually referred to as Duusta) is a 15-year-old male who comes from a planet in a very distant galaxy. He takes the role of Undyne in Discordtale, given the title "Duusty the Goddamned Savage" on his "Undying form" battle.
Duusta is usually a kind, mild-mannered person, but that can change in some circumstances. He is currently known to have several different personalities, each inhabiting a part of his mind and subconscious. Each personality represents and works as a part of Duusta's emotions and intelligence.