Jeff Porcaro did the original drums (Beat It). So this is really good for a four-year-old, since Jeff had a groove which most drummers can't emulate. Rosanna (Toto) is a great example of this.
Child prodigies irritate me. Does that make me a bad person? There's a skilled blues guitarist in my part of the world named Jimmy Bowskill that I am just now being able to stand watching because in some lights he actually looks like a grown up. That kid in The Sixth Sense and his endless post movie interview circuit made my teeth ache. And let's face it, he's not that good, because I figured out the ending 10 minutes shy of the credits.
This ought to become a thread wherein we can post any drummers better than Lars. We'll hit 28 pages in about six hours if we really are honest with ourselves though.