Inhaling helium and talking like Daffy Duck is a classic party trick. But not many know how helium works. Helium is much lighter than air, so sound waves move much faster through the gas.

Coyote, and Tweety. It also contains the lovable and memorable faces of Porky Pig and Daffy Duck. These two have entertained audiences with their antics and adventures for decades. And they’re ...

Now, the first fully animated "Looney Tunes" feature film is starring Daffy Duck and Porky Pig.