Looney Tunes - "Case of the Missing Hare" (1942)
Bugs' home in a hollow tree is marred when the magician, Ala Bahma, plasters his show posters all over it. Bugs goes to the show to heckle.
Director: Chuck Jones (as Charles M. Jones)
Writer: Tedd Pierce (story) (as Ted Pierce)
Star: Mel Blanc
https://www.imdb.com/title/tt0034585/?ref_=fn_al_tt_1