Myrtle, from Ultima VII
When meeting Tseramed in Ultima VII, the ranger told the Avatar that there were two strange people living in the Bee Cave that he thought he knew from his past in Yew. Entering the Cave, the Avatar soon found two naked people who called themselves Papa and Mama.
At first it seemed as if these two grew up in the cave, but after probing further, "Papa" had to give up the charade and admitted that he was Murray, former owner of the Apothecary in Yew. The Tax Council had literally taken away his last shirt, so he had to leave civilisation with his wife and decided with her to enter this simple style of life.
Then talking with Myrtle, she said that it was so much fun to confuse people and admitted that she liked this simple life style, and although she thought that Murray was rather lazy, she loved him nonetheless.