Characters like Egghead Jr. and Gossamer have evolved over the years, maintaining relevance through different shows. Since 1929, Looney Tunes has ... been teamed up with Sylvester and Pete Puma.

The Looney Tunes roster is now a veritable murderers’ row of cartoon classics. These fellas roll deep on everything from TV screens to screenprinted T-shirts. They didn’t, though, pop into existence ...