Bugs Bunny is riffing off the Red Skelton radio character, The Mean Widdle Kid.
See also: the Wikipedia page for Red Skelton
John McGrew. Chuck Jones gave McGrew a lot of freedom in creating the background designs for this film.
Source: Greg Ford's audio commentary for Looney Tunes Golden Collection, Volume Three (2005) (V) Disc 1.
See: this FAQ entry
Some prints cut out the opening shot which shows Ala Bahma's posters. This was probably done just to shorten the film, rather than censor anything objectionable.
Source: The Censored Cartoons Page
See: this FAQ entry
Yes, it's included in Looney Tunes Golden Collection, Volume Three (2005) (V) Disc 1.
