Before he took on the role of Donkey, Murphy voiced the dragon Mushu in Disney's "Mulan." That film earned $304 million at the box office, but the "Shrek" films have brought in $3 billion. The actor has done better with animation than live action over the last few years. His last two movies, "Imagine That" and "Meet Dave," were among the biggest flops of the past decade.(Photo:Dreamworks Pictures/Newscom) More From Forbes: TV’s Biggest Moneymakers12 Most-Loved SpokescharactersJay-Z’s Biggest Commandments The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.