Giacomo

Giacomo was a Vistani whom sold potions to Leisl and Alexi Petrovich and drove them through the killer fog that surrounds the Village of Barovia. He was a member of the Zarovan Tribe
Given how long he lived, Giacomo may be presumed to be dead. However, as a member of the Zarovan tribe, their existence in non-linear time might allow Giacomo to be encountered in other eras.