Steve Wozniak (and, to some extent, Steve Jobs himself), used to be, before starting Apple in their garage, quite well known in the Phreak/Blue Box community. Wozniak’ nickname was… “The Woz”!
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The Sex Pistols only recorded one album.
(Bootlegs, compilations, live recordings etc. do not count as studio albums)
Further proof that fame does not depend on the number of albums!
(*) If you are friendless, this my be the right thing to start gather some!