Pop 'Im Pop!

 Pop 'Im Pop is a 1950 Looney Tunes cartoon, starring Sylvester and Hippety Hopper. This short marks the first appearance of Sylvester Jr, and the only classic appearance of Gracie, although she made a cameo in Who Framed Roger Rabbit?.

Credits

 * Directed by Robert McKimson
 * Written by Warren Foster
 * Animation by Charles McKimson, Phil DeLara, and Rod Scribner
 * Music by Carl W. Stalling
 * Voices by Mel Blanc