And he has been described by party leaders as something of an unpredictable candidate.
Boxers are reminded, with every fight, that they serve at the pleasure of an unpredictable public.
He is not the first and will not be the last politician to fall foul of an unpredictable encounter with a minor or a photo opportunity gone wrong.
But there was too much happening of an unpredictable nature for much, with the exception of Yousuf, to make pleasant watching.
Under stone steps, which disappear into the water, 35 pipes continually blow the notes of an unpredictable concert based on the sea's undulations and the ensuing air pressure.
Thanks to mergers and the limited appeal of an unpredictable market with low profit margins, the pool of western vaccine producers has shrunk.
The need to rid America of an unpredictable enemy, suspected plausibly of pursuing weapons of mass destruction, loomed much larger in Mr Bush's pre-war speeches and deliberations.
Yet just a day later, his cabinet colleagues announced their intent to send weapons into the heart of an unpredictable war.
His career thereafter was that of an unpredictable maverick, fiercely hostile to the Hollywood system, a bitter social critic in the tradition of Mark Twain.
The gleaming copper stills, custom-made in northern Scotland, arrived last Monday at the Kings County Distillery, where they will serve as the centerpieces of an unpredictable enterprise.
Professor Julie Lydon, vice-chancellor of Glamorgan, said the merger was partly the result of an unpredictable environment for higher education.
