Pretty much every animated movie that comes out today stars big name actors. And to be honest, I'm not sure why, because a lot of those big name actors can't do voice acting. They just talk in their normal voices.
You'd think that they would hire professional voice actors to be in animated movies. They're cheaper, they do better voices, and they do multiple voices. I mean, just think how much money Dreamworks would save if they just hired the guys from Spongebob or The Simpsons for their next movie.
It's not like the kids who watch the movies are going to be able to tell the difference. I highly doubt that eight-year-olds care whether or not Danny Devito voices a character in the movie. They don't even know who he is!
Anyway, I'm just kind of tired of certain celebrities--I won't say any particular names here--who get away with lazy voice acting and large paychecks. Especially if the bad voice ruins the movie.