Schroeder (Peanuts) were the best of friends, with the exception of one argument from the mid-1950s (when the two were fighting over who was greater: Beethoven or Davy Crockett) where Charlie Brown insulted his "yellow hair" and "plink, plink, plink all day long [on his piano]" and Schroeder countered with a barb at Charlie's coonskin cap and "round head." During conferences on the pitcher's mound, the two engage in unusual conversations, mostly about Beethoven and hand signals. Schroeder also often encourages Charlie Brown during games, while the rest of the team says, "Don't let us down by showing up!" In the animated
Peanuts the entire life of the Sunday strip. Most of the other characters that eventually became the main characters of Peanuts did not appear until later: Violet (February 1951), Schroeder (May 1951), Lucy (March 1952), Linus (September 1952), Pig-Pen (July 1954), Sally (August 1959), Frieda (March 1961), "Peppermint" Patty (August 1966), Woodstock (introduced April 1967; given a name in June 1970), Franklin (July 1968), Marcie (July 1971), and Rerun (March 1973). Schulz decided to produce all aspects of the strip himself from the script to the finished art and lettering. Schulz did, however, hire help to produce the comic book adaptations