Petrovich is a common Slavic surname, often associated with individuals from countries like Russia, Ukraine, and Belarus. The name is derived from the patronymic form, meaning "son of Peter," where Peter is a popular given name in these cultures. In addition to being a surname, Petrovich can also refer to various fictional characters in literature and film, often depicted as wise or humorous figures. The name is sometimes used in popular culture to represent a typical Eastern European character, contributing to its recognition in various media.