We have met the enemy and he is us.. ~ Walt Kelly ~ (1913- 1973) Comic strip artist for 'Pogo' Source.. Pogo: We Have Met the Enemy and He Is Us, 1972 lh3.googleusercontent.com/-60ylEVsY2UE/VTf-lzuu9XI/AAAAAAAAigo/LSc1m4buSDc/Walt%252520Kelly%252520%252526%252520Pogo%252520Earth%252520Day%252520Poster%252520quote%25255B4%25255D.png?imgmax=800