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Grant Shapps said today that he "over firmly" denied being more than one person while also existing as an MP - he has made a living as “multimillion-dollar web marketer” Michael Green in the past.

This got us wondering about who else the Tory MP might be while hanging around in Westminster.

Specifically, whether or not he is anonymous grafitti artist Banksy.

We've weighed up the evidence for and against this intriguing theory:

For

• Grant Shapps doesn't admit to being Bansky while also being an MP - which we now know is a sure sign he could well be the secretive street artist.

• Being Banksy is lucrative. So far, 100% of the people Grant Shapps is confirmed to have been earn a lot of money (Michael Green and Grant Shapps).

• David Cameron is a fan of expensive graffiti art - having gifted President Obama a £2,500 work by Banksy's printmaker Ben Eine. He's also publicly stated his support for Shapps in light of this dual identity scandal. Coincidence?

Against

• As far as we're aware, Banksy produces original art - rather than repeatedly "spinning" existing content to trick Google into moving websites up their rankings. This may set him apart from Shapps' other identities.

• Much of Banksy's work suggests he is left-wing politically and cares about other people. Grant Shapps, on the other hand, is a Conservative MP.

We guess the jury is still out...