In the history of the WWE, only 2 men have held the WWE, WCW and World Heavyweight Championship in the company:
Kurt Angle & Chris Jericho
That's right, Kurt Angle and Chris Jericho have not only made history holding 6 WWE Championships, but they also held 3 World Titles:
The WWE Heavyweight Championship, the WCW Heavyweight Championship and the World Heavyweight Championship
Kurt Angle held the WWE Heavyweight Championship 4 times def. The Rock, Stone Cold Steve Austin, Big Show and Brock Lesnar
Angle also won the WCW Heavyweight Championship def. Booker T., but his reign was short lived
and in 2006, on SD! after New Year's Revolution, Kurt Angle won a 20-Man Over the Top Rope Battle Royal to become the World Heavyweight Champion after Batista surrendered the belt due to an injury
Angle made history becoming the 1st man to win 6 WWE Championships as well
Chris Jericho on the other hand, won the WCW Heavyweight Championship from The Rock @ No Mercy in 2001
He also won the WWE and WCW Heavyweight Championship def. The Rock and Stone Cold Steve Austin in the same night @ Vengeance 2001 making him the 1st ever Undisputed WWE World Heavyweight Champion and the 1st man to hold 5 WWE Championships
and @ Unforgiven 2008, Chris Jericho won a Championship Scramble Match winning the World Heavyweight Championship and he also def. Batista in a Steel Cage Match
and last year @ The Elimination Chamber PPV, Jericho won the SD! Chamber Match against The Undertaker, John Morrison, R-Truth, CM Punk and Rey Mysterio
If you add the titles:
Kurt Angle has held 6 World Titles in the WWE and Chris Jericho has also held 6 World Titles in the WWE
and that's your look @ 2 men who have held the WWE, WCW and the World Heavyweight Championship:
Kurt Angle and Chris Jericho

