Who is the biggest and baddest Classic Rock drummer? What instrument lead legendary drummer Bill Ward into music history?

Ancient are the battles. In a world...far far away. There lives a list of who shall be named the Best of the Best. Eddie Van Halen versus Jimi Hendrix. Plant taking on Daltry, Springsteen and Dylan. Who lands the role of Best on the skins? Co-founding Black Sabbath drummer Bill Ward believes it's?