Because it's funny. As Groucho Marx once said, "Comedy is when you slip on a banana peel;tragedy is when I slip on a banana peel." The Roadrunner cartoons in which Wile E. read more
The Roadrunner cartoons in which Wile E. Coyote is the villain takes place in a desert region in which the road the two characters meet each other passes by many cliffs. The ultimate"slip on a banana peel" for the Coyote is falling off a cliff. read more
As usual, Wile E. Coyote ends up falling down a canyon and fails to catch and eat Bugs Bunny, much like how the coyote fails to catch and eat the Road Runner. In a later, made-for-TV short, which had a young Elmer Fudd chasing a young Bugs, Elmer also falls down a canyon. read more