<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2016) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Teenage Mutant Ninja Turtles </Th> </Tr> <Tr> <Td_colspan="2"> Art by Kevin Eastman </Td> </Tr> <Tr> <Th_colspan="2"> Publication information </Th> </Tr> <Tr> <Th> Publisher </Th> <Td> Mirage Studios </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> Teenage Mutant Ninja Turtles #1 (May 1984) </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Kevin Eastman Peter Laird </Td> </Tr> <Tr> <Th_colspan="2"> In - story information </Th> </Tr> <Tr> <Th> Base (s) </Th> <Td> Manhattan, New York City </Td> </Tr> <Tr> <Th> Member (s) </Th> <Td> Leonardo Donatello Michelangelo Raphael </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Teenage Mutant Ninja Turtles </Th> </Tr>

When were the teenage mutant ninja turtles created