The Road Runner is a popular Looney Tunes character. He is known for being in Looney Tunes shorts with his main rival Wile E. Coyote who always tries to catch him but always fails in doing so. He is also known for the only sound he makes "Meep Meep!" but it is usaully heard as "Beep Beep!". Road Runner is one of the most famous Looney Tunes characters that may have been made, as he shares almost all the Looney Tunes shorts with Wile E. Coyote. There have been some Looney Tunes shorts where other Looney Tunes characters are shown with Road Runner and Wile E. Coyote uch as Elmer Fudd, Speedy Gonazales, Sylvester the Cat and a few others as well are shown with them.