And from time to time he completely re-arranges his tank to make it suit his own taste better - much to the distress of his fellow tank inhabitants." The Big Short, the film adaptation of Michael Lewis' book of the same name about the causes of the financial crisis, opens in UK cinemas this weekend.
How will the story stack up against the greatest films about business?
It is said to have measured around 6.0 on the Richter scale.
But now after today's earthquake, it could spark fears of a natural eruption.
The fate of a multi-million pound plot of land in London's Hampstead Heath hangs in the balance, after the squatter who lived there died without passing it on.
In her old life, back in what she calls "that England", she had become disillusioned by politics, by society as a whole.
So she moved north to become a crofter in the Yorkshire Dales.