The Creeper is an American-style Barleywine.
[Admin Note: Creeper is also sometimes called a "Double IPA" or "Triple IPA" ranging between 9.5 and 10.5% ABV. The brewer also refers to it as a hoppy American-style Barleywine, which is the description listed above.]
Brewer: Columbus Brewing Company
Style: Imperial IPA
Alcohol Content: 10%