A Tale of Two Kitties - Merrie Melodies cartoon - first appearance of Tweety

A Tale of Two Kitties (1942) - Merrie Melodies - the very first appearance of Looney Tunes' Tweety (originally named Orson), fighting with a pair of cats ("Babbitt and Catstello") - "I tawt I taw a puddy tat!" - while being an Air Raid Warden!