Snoopy even has his own sidekick, a little birdie named Woodstock. He first appeared in "Peanuts" on April 4, 1967 and the two's friendship has been integral to the comics since. We know Snoopy is a ...

Charles M. Schulz’ creation of Snoopy — the quirky, lovable “Peanuts” cartoon strip beagle loyal to Charlie Brown and his ...