Yumno

Yumno is a Villan who was introduced in The White Prison and died in The White Prison

Trivia
Yumno died in the Shiny Store

Yumno is a succesful test of trying to put fire into a creature, Urno is the unsuccesful test of that

Yumno lashed out because she was caught by animal control before, seeing all of the silver rings made her burn it down.