Peanuts is a syndicated daily and Sunday American comic strip written and illustrated by Charles M. Schulz, which ran from October 2, 1950, to February 13, 2000, continuing in reruns afterward.

The strip focuses entirely on a social circle of young children, where adults exist but are never seen or heard. The main character, Charlie Brown, is meek, nervous, and lacks self-confidence. He is unable to fly a kite, win a baseball game, or kick a football.

Charlie Brown's dog is Snoopy. In the early 1960s,Snoopy began befriending birds, when they started using his doghouse for various occasions: a rest stop during migrations, a nesting site, a community hall, or a place to play cards. None of these birds were ever given names, although they did, on occasion, use speech balloons, lettered in what would become the classic 'chicken scratch marks' of Woodstock's utterances. What set Woodstock apart from all these earlier birds was the fact that he attached himself to Snoopy and assumed the role of Snoopy's sidekick and assistant. There had been no recurring relationships between Snoopy and the earlier birds who visited the yard of the Browns, and Snoopy was as often as not more hostile than friendly toward those birds.

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