St. Sanders, master of the musical overdub. Santana Shreds is still the best but they're all pretty classic - especially Slipknot Shreds and Creed 1,000 Yasseahs. Check 'em out...
Creed - 1,000 Yasseahs:
Eddie Van Halen Shreds:
Peter, Bjorn and John Shreds:
This is the guy that does most of them, St. Sanders, interviewed on the Jimmy Kimmel show (with Slash):