CM Punk is the WWE Champion
Big show is the world heavyweight champion
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
Sheamus is the World Heavyweight Champion, CM Punk is WWE Champion, Santino Marella is the United States Champion, Big Show is the Intercontinental Champion
cm punk
he is the undisputed WWE champion
world heavyweight champion wwe champion intercomtinental champion wwe tag team champion world tag team champion ecw champion divas champion united states champion
there is no attitude era' champion
layla
no one
Kurt Angle was a four-time WWE Champion and a one-time World Heavyweight Champion.
Brock Lesnar is currently the WWE World Heavyweight Champion.
Ryback is not the WWE World Heavyweight Championship, but is currently the WWE Intercontinental Champion in 2015.