Peanuts by Charles Schulz for December 21, 1951
Transcript:
Snoopy sits on the snowy banks and watches a hockey puck slide by him on the ice.<BR><BR> He chases it.<BR><BR> He exclaims in puzzlement as Charlie Brown and another little boy suddenly appear swinging their hockey sticks in an attempt to hit the puck.<BR><BR> He hides behind a tree, shaking, and letting out a sigh of relief.<BR><BR>
I believe this was the first appearance of any unnamed “Peanuts” kid. This cannot be Schroeder because he was still a baby at the time. This kid is around Charlie Brown’s age.