The Heavy metal bass player and vocalist is renowned as a hard living, hard drinking rocker, but despite his lifestyle, filmmakers Wes Orshoski and Greg Olliver - who have produced a documentary about his life, called 'Lemmy' - said they were surprised at how much time he spends playing computer games and reading.
Greg told BANG Showbiz: "Anybody might think there'd be five girls backstage, busty girls, but there's more likely to be five open books backstage."
Wes added: "He's very human, he's not like the kind of guy who's getting picked up in limos and Lear jets or hanging out in Five Star hotels.
"He's at home playing video games and making French fries. And he's really smart - I had no idea that he would be that funny, that sharp or that smart."
When asked about his reading habits Wes said the 'Killed By Death' singer is very varied in his choices and goes from airport romance models.
He added: "He mostly reads war history. You hear that he's a war buff, and you don't realise how deep it is man. It's either music or war. And novels too.
"I remember in Russia he was buying cheesy romance novels, 'Danielle Steel' or something like that. He has a penchant for trashy novels."
'Lemmy' is released in UK cinemas from December 3 and will be out on DVD from January 24th.