Some say that:
He roams around the woods at night foraging for wolves.
His sweat can be used to clean precious metals.
His skin has the texture of dolphins.
If you tune your radio to 88.4 FM you can actually hear his thoughts.
He is scared of bells.
He was raised by wolves.
He appears on high-value stamps in Sweden.
He has no understanding of clouds.
He is confused by stairs.
He naturally faces magnetic north.
He is illegal in 17 U.S. states.
His heart ticks like a watch.
He appears on Japanese banknotes.
There's an airport in Russia named after him.
He is wanted by the CIA.
His breath smells of magnesium.
He can catch fish with his tongue.
His tears are adhesive.
If set alight, he'd burn for a thousand days.
He is terrified of ducks.
His voice can only be heard by cats.
He has two sets of knees.
He can swim seven lengths underwater.
He has webbed buttocks.
He can melt concrete on contact.
He blinks this way. (Clarkson closing his thumb and forefinger on both held-up hands -- a reference to Men in Black)
His ears aren't exactly where you would expect them to be.
He once, "preposterously", had an affair with John Prescott (referring to Prescott's recent admission that he had had an affair with one of his secretaries).
He has a digital face.
He has named every single blade of grass surrounding the Top Gear test track.
His genitals are on upside down.
If he could be bothered, he could crack the Da Vinci code in 43 seconds.
He invented Branston Pickle.
He is the green giant's dad
His scrotem has it's own gravity field.
He's able to score 190 on a dart board with 3 darts
He can slam a revolving door
He thought Star Wars was a documentary
He picks his nose with a corkscrew
He thinks the credit crunch is some kind of cerial
All we know is
He's called the stig!