Carnival of the Apocalypse - Mists of Ravenloft
Dr. Rudolph Van Richten - AKA Rictavio
Owner - Rictavio's Carnival of Wonders
This flamboyant half-elf, another outsider trapped in Barovia, met the party at the Blue Water Inn in Vallaki. The man is an enigma and guards many secrets.
It was later revealed that Rictavio was none other than famed monster hunter Dr. Rudolph Von Richten, now based in Barovia with the sole purpose of hunting down and destroying the vampire Strahd.