Comedians in animated films Comedians in animated films. 10 comedians-turned-cartoon stars. As "Kung Fu Panda 2" brings Jack Black's Po the Panda flying back into theaters, we look at some other masters of mirth who've voiced our favorite animated lead roles. 'Shrek' This award-winning ogre and his band of dysfunctional fairy-tale characters have achieved Top 10 status. 'Megamind' This supervillain with a heart of gold was voiced by a former member of the Groundlings who knows his way around a cowbell. ' Open Season' Boog the Bear is a lovably gruff grizzly that gets a reality check when he's punked by a goofy buck. 'Despicable Me' Gru is a dastardly mastermind — with an out-of-this-world scheme — whose heart is melted by a trio of orphans. ' Bee Movie' Not only did this comedian provide the voice ofBarry B. Benson in this buzz-worthy flick, he wrote the screenplay as well. 'Ratatouille' Remy, the Parisian pest who d...