3. Motörhead
So thrash fans got Metallica in. Pity we can't get Diamond Head in, too, but wouldn't it be nice if the Hall recognised at least one of the two "heads" of proto-thrash? The original Motörhead, umlauts and all, was a trio of rockers desperate to do something new with the genre. They were the first band of their kind, a hard rock Frankenstein monster with Little Richard's heart, Dick Dale's feet, and Lenny Bruce's brain. They were thrash metal before such a term had been thought of, speed metal in every sense of the word. Their biggest hit "Ace of Spades" is just as immediately recognisable as "Smoke on the Water," albeit a bit more shall we say, upbeat? Lemmy Kilmeister - the band's leader - has soldiered on for decades, leading various lineups into the present day. He has has guested on songs by Slash and Dave Grohl, showing that even now the master has much to show his students. He also co-wrote Ozzy Osbourne's No More Tears album, which resulted in a much larger audience for his own band. (They both did their own versions of the song "Hellraiser," but Motorhead went one further, producing a music video that featured Lemmy beating horror-villain Pinhead at cards.) Documentaries and biographies of Lemmy's life have cemented his legacy of hard work and love of music, and a spot in the Hall wouldn't get him to slow down but it would be a kind gesture to a band that influenced nearly every band that's heard them.