Hyde and Go Tweet (1960)

Mel Blanc: Sylvester, Tweety, Mr. Hyde, Two Cats

Quotes 

• Tweety : [In monster form, to Sylvester]  Bwahahahahaha! You bad ol' puddy tat!

• Sylvester : [after waking from his nightmare and seeing Tweety, in normal form, land on the same ledge, he runs for a wall and manages to breaks through it]  HELP! AAA-AAA! HE'S A KILLER! HE'S A KILLER! HELLLLLLLP!

• Sylvester : Help! Open the door! Help! I'm locked here with a killer! Ah! Help, help! Ah! Ah! Ah! Heeeeeelp!