Antinpoika
Antinpoika is a Finnish patronymic surname. In Finland, it is traditional to form surnames by adding the suffix "-poika" (meaning "son") to the given name of the father. Therefore, Antinpoika literally translates to "son of Antti". Antti is a common Finnish form of the given name Andrew. This naming convention was prevalent in Finland, particularly in rural areas, as a way to denote familial lineage.
While patronymic surnames are common across many cultures, the "-poika" suffix is a distinct feature of Finnish