72
18 December 1950
(midwest.social)
Shermy is named for the first time in this strip
I’ve never heard of Shermy
Both he and Patty disappear in later strips. Peppermint Patty later shows up with the same name, but she's a different character
He's the one in the TV Christmas Special who says he "always ends up playing a shepherd".
For posts about the comic Peanuts, by Charles M. Schulz