of  Walt Disney 's concurrent series of music-based cartoon shorts. Looney Tunes originally showcased Warner-owned musical compositions through the adventures of cartoon characters such as  Bosko  and  Buddy . Later Looney Tunes shorts featured popular characters such as  Bugs Bunny ,  Daffy Duck ,  Porky Pig ,  Elmer Fudd ,  Sylvester ,  Tweety ,  Marvin