Champion(title reign): When Belt Was Won (Any Other Info)
Hunter Hearst Helmsley: September 2nd, 2002 (awarded due to Smackdown keeping World Title; unified with WWE Intercontinental Title 10/20/02)
Shawn Michaels: November 17th, 2002
Hunter Hearst Helmsley(2nd): December 15th, 2002
Bill Goldberg: September 21st, 2003
Hunter Hearst Helmsley(3rd): December 14th, 2003
Chris Benoit: March 14th, 2004
Randy Orton: August 15th, 2004
Hunter Hearst Helmsley(4th): September 12th, 2004 (belt vacated 12/06/04 after a Triple Threat Match the week before between Helmsley, Chris Benoit, and Edge ended with a controversial tap-out/pin)
Hunter Hearst Helmsley(5th): January 9th, 2005 (Triple H won an "Elimination Chamber" Match over Randy Orton, Chris Benoit, Chris Jericho, Edge, and Batista)
Dave Batista: April 3rd, 2005 (Batista drafted to Smackdown 6/30/2005, and took the World Title with him; injuries forced Batista to vacate the title on 1/10/2006)
Kurt Angle: January 10th, 2006 (Angle won a Battle Royal to win the vacated title, last eliminating Mark Henry)
Rey Mysterio: April 2nd, 2006 (Mysterio won a "Triple Threat" Match over Kurt Angle and Randy Orton)
King Booker: July 23rd, 2006
Batista(2nd): November 26th, 2006
The Undertaker: April 1st, 2007
Edge: May 8th, 2007 (used "Money In The Bank" contract; vacated title on July 17th, 2007, due to injury)
The Great Khali: July 17th, 2007 (won 20-Man Battle Royal)
Batista(3rd): September 16th, 2007 (won "Triple Threat" Match over the Great Khali and Rey Mysterio)
Edge(2nd): December 16th, 2007 (won "No-Disqualification Triple Threat" Match over Batista & the Undertaker)
The Undertaker(2nd): March 30th, 2008 (The Undertaker was stripped of the title by Smackdown GM Vickie Guerrero on April 29th, 2008, supposedly due to the Undertaker's usage of an illegal choke submission hold)