Casperin

Casperin was a small ghost who haunted the ruins of old Magincia in Ultima IV. It spoke briefly to the Stranger of all the haunting in the destroyed towne, asking if the hero knew why. When the Stranger responded "Pride," Casperin agreed, saying that pride is the surest measure of unattained goals, and directing the hero to seek out Heywood for the mantra for Humility.

Trivia

 * Casperin has a very similar name to the cartoon character Casper the Friendly Ghost.