Willie Ito The Perils of Penelope Pitstop Model Drawing (Hanna-Barbera, 1969). Model drawing of Penelope Pitstop along with Sylvester Sneekly (the Hooded Claw) by legendary animator/layout artist, Willie Ito. Rendered in graphite on 12 field 3-peghole paper. Images of 6″ and 7″. In Fine condition. Signed at the lower right.