Not totally random. There was a challenge to start a thread about the great pumpkin.
Imagine the gang as adults:
Peppermint Patty = Ellen Degenerate
Charlie Brown = Jason Alexander
Lucy = Leona Helmsley
Schroeder = Curt Cobain
I can't think of one for Linus.
Snoopy does rock, though any good bird dog would be ashamed of him.