Yes
Big show is the world heavyweight champion
Kimi Raikkonen undoubtedly. :)
CM Punk is the WWE Champion
There was no World Cup in 2012.
Big Show is the current WWE World Heavyweight Champion as of December 2012. He defeated former world heavyweight champion, Sheamus, on the 28th October at Hell in a Cell
The 2012 and 2013 World Professional Snooker champion is Ronnie O'Sullivan.
Sebastian Vettel
The defending Formula One World Champion heading into the 2012 season is Sebastien Vettel of the Red Bull Racingchassis.
Sheamus is the World Heavyweight Champion, CM Punk is WWE Champion, Santino Marella is the United States Champion, Big Show is the Intercontinental Champion
John Higgins is the current World Snooker champion in May 2011. February 2012 it is John Higgins.
Probably Sebastian Vettel
cm punk