<Table> <Tr> <Th_colspan="2"> Barbie </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> March 9, 1959; 59 years ago (1959 - 03 - 09) </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Ruth Handler </Td> </Tr> <Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Nickname (s) </Th> <Td> Barbie </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> See: Barbie's careers </Td> </Tr> <Tr> <Th> Family </Th> <Td> See: List of Barbie's friends and family </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Barbie </Th> </Tr>

Where did the name barbie and ken come from