Schroeder (Peanuts) and Lucy and Snoopy comes out of nowhere and starts dancing on the piano, until Schroeder and Lucy start looking at him angrily and Snoopy stops dancing and looks embarrassed. Frieda sometimes leans against Schroeder's piano, making Lucy jealous. She does not seem to be much of an annoyance to him as Lucy, but Schroeder prefers Lucy over her, possibly because Frieda has no knowledge of classical music at all (in "Play It Again, Charlie Brown" she thought Beethoven was a drink, causing Schroeder to pull the piano out from under both her and Lucy). The piano's capability is illustrated
Patty (Peanuts) 1965 classic "A Charlie Brown Christmas", and appeared in many of the succeeding specials and theatrical animated films, most recent of the specials is "Happiness Is a Warm Blanket, Charlie Brown". On November 6, 2015, Patty appeared in a computer generated movie based on the strip, "The Peanuts Movie," which is currently her most recent animated appearance. As the only female character in the strip's very earliest days, Patty often acted as a sort of hen, looking out for the younger characters; however, she also set the tone for the strong female characters in the Peanuts universe. In her (and