Wow these kids are phenoms, especially with such a physical instrument like drums. You really do need some stamina to keep up those fills for even a few minutes.
This kid's equally impressive at 7 years old, taking over Zakk Wild's very technical lead for (my favorite Ozzy tune) Crazy Train for the Prince of Darkness.
Yuto Miyazawa (Ozzy swears a bit so NSFW, but don't worry the little guy doesn't speak english.)
Just sick, I play banjo and a bit of mandolin and damn, I wish I had that kind of finger dexterity at 20 years his elder!