#2 The Miz - 8

Speaking of The Miz, he has been the epitome of a performer using a title win to make himself relevant. All of Miz's IC Title wins have come across as monumental as the A-lister has been careful to bring the focus to the belt in his ensuing feuds.
A run with the United States title had built Miz as a credible singles Superstar in 2010, which eventually led to his WWE Championship run. While the latter wasn't really deemed a success, Miz was back to what he does best a year later - taking a secondary Championship and elevating himself. He would beat Christian to win the Intercontinental Title for the first time, starting off another period of prominence.
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Further title wins would come against the likes of Wade Barrett, Dolph Ziggler, and Zack Ryder. Being the IC Champion would also elevate Miz to feud in the main event, with programs involving Roman Reigns, Seth Rollins and Dean Ambrose.
Miz is certainly a prime candidate for being considered as the best Intercontinental Champion of all time, as his 8 runs with the belt are the second most ever while his combined 599-day run is only 20 days fewer than Pedro Morales' all time record.
Another run or two with the belt is increasingly likely for the A-lister, which would definitely see him top the list in both the reigns count as well as total days as the Champ.