Daffy Duck is a character from Looney Tunes and Merrie Melodies. He is known for having an on and off friendship with Bugs Bunny and Porky Pig while being a rival of Elmer Fudd and Marvin the Martian. He is also known for his eccentric behavior akin to that of Bugs Bunny. Unlike most characters within the series, his victories are usually "ups and downs". He was introduced in 1937. Since 1953, he has also been known by his alter ego, Duck Dodgers, while Porky Pig is his sidekick, known as Cadet, and the two of them protect Earth from Marvin the Martian.