Conversation so far:
what's the princes name in beauty and the beast
The Beast from the film Beauty and the Beast is also known as Prince Adam and Master of the Castle.
does the character beast appear anywhere else
Beast also appears in the film's two direct-to-video followups Beauty and the Beast: The Enchanted Christmas and Belle's Magical World.

Question: what is the origin of the character
Self-contained rewrite: what is the origin of the character beast