fastest guitarists,rusty cooley, michael angelo
fastest drummer, tim waterson plays well over 1000 beats per minute no ****ting ;check the axis website
and john longstreth drummer of origin,dying fetus,nile,angel corpse and many other insane metal bands
no competition here
by the way i have seen a rusty cooley vid with an 8 string guitar and sweep on all 8 strings man ****in insane i do well enough on 7 without turning the frets sideways and adding a string