Amazingly enough, he has the voice down to a T. The best part of the trailer, at least for me, is a brief shot of a rather unimpressed-looking Hugh Grant taking off the head of a Tony the Tiger ...

Plankton's voice is kind of like a combination of Tony the Tiger and the actor Gregory Peck. I was also imitating a friend of mine, a lifelong friend who I've known since I was in grade school.