<Tr> <Th> Gender </Th> <Td> Male </Td> </Tr> <Tr> <Th> Family </Th> <Td> Unnamed parents </Td> </Tr> <P> "Pig - Pen" is a character in the comic strip Peanuts by Charles M. Schulz . He is a young boy who is, except on very rare occasions, very dirty . </P> <P> "Pig - Pen" is a nickname, invariably written in quotation marks in the strip . In the character's first appearance on July 13, 1954, in a strip directly parodying the first chapter of Lord of the Flies, he declares, "I haven't got a name...people just call me things...real insulting things ." If he does have a real name, it is never mentioned . In a 2000 Gallup Poll "Pig - Pen" was found to be the fifth most popular Peanuts character . </P>

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