How  many years did the comic strip that includes the character Joe Btfsplk run for?
Joe Btfsplk: Joe Btfsplk was a character in the satirical comic strip "Li'l Abner" by cartoonist Al Capp (1909–1979). Li'l Abner:  Written and drawn by Al Capp (1909–1979), the strip ran for 43 years, from August 13, 1934 through November 13, 1977.
43 years