Later Looney Tunes shorts featured popular characters such as Bugs Bunny , Daffy Duck , Porky Pig , Elmer Fudd , Sylvester , Tweety , Marvin the Martian , Taz , Wile E. Coyote and Road Runner , Foghorn Leghorn , Yosemite Sam , PepÃ Le Pew , Speedy Gonzales , and many others . Later Looney Tunes shorts featured popular characters such as Bugs Bunny , Daffy Duck , Lola Bunny , Melissa Duck , Porky Pig , Petunia Pig , Elmer Fudd , Yosemite Sam , Sylvester the Cat , Penelope Pussycat , Speedy Gonzales , Aoogah Bird , Tweety Bird , Granny , PepÃ Le Pew , Wile E. Coyote and Road Runner , Foghorn Leghorn , Marvin the Martian , Taz , She Devil\/She Taz\/She Tazmanian Davil , Gossamer , Witch Hazel , Michigan J. Frog , Bosko , Buddy , and many others .