Rumpelstiltskin, posing as Muriel's Uncle Angus in Scotland, took her to a castle and forced her to make kilts. After she made the first kilt, he ordered her to make 4,999 more. Courage found out Rumpelstiltskin's real name from his mother. He, Muriel, and Courage changed his name from Rumpledkiltskin to Rumpelstiltskin.
Rumpelstiltskin is a short tempered man. He threatens to make Muriel into a Shepard's pie if she doesn't listen to him. At the end of the episode he shows remorse after having his name changed.