Rhience

Summary
Rhience is a character that first appeared in The Lioness and Her Knight, and later appeared briefly in The Legend of the King.

The Lioness and Her Knight
Rhience first appeared when Lady Luneta and Sir Yawain are on their way to Camelot when they come upon Rhience the fool "entertaining" Sir Grenall and a lady. Rhience eventually leaves with Luneta and Yawain after saying to Sir Grenall "I no longer find you amusing."

Rhience adventures with Yawain and Lunetta, and is entangled with the love affair of Yawain and Laudine, the adventures of the Knight of the Lioness, and eventually marries Lady Luneta herself.

Brother Matthew
Rhience was once known as Brother Matthew and he had almost been accepted into the cloister because he was good at numbers and figures, but he was apparently "not serious enough".

Sir Calogrenant
Rhience was also known as  Sir Calogrenant before he took his vow to be a fool for a year.