#2. Light Heavyweight Championship - X-Pac
The Light Heavyweight Championship was WWF's answer to WCW's groundbreaking Cruiserweight division during the Monday Night Wars. The Light Heavyweight title was originally created as far back in 1981 and allowed to be defended in Mexican promotion UWF and later in NJPW. Perro Aguayo was the first champion but when the WWF ended its association with NJPW, the title came back stateside and a tournament was set up to crown the first WWF Light Heavyweight Champion.
The title was appropriately won by the Japanese star Taka Michinoku who beat Brian Christopher in the finals and held on to the title for over 300 days. But after a year, WWF started to consider the title as a comedy prop, with Gillberg - a parody of WCW superstar Goldberg - handed the title and allowed to start a 445-day reign with the championship.
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Former WCW Crusierweight champion Dean Malenko brought some prestige to the title with a 321-day reign in 2000, but the emergence of the WCW Cruiserweight title in the WWE during the Invasion storyline led to the demise of the Light Heavyweight belt.
X-Pac actually held both the Cruiserweight and Light Heavyweight title at the same time after beating Billy Kidman on Raw, but the titles weren't merged at that point. X-Pac would later lose the Cruiserweight title, but continued to hold on to the Light Heavyweight belt. A title unification match was set up against Cruiserweight champion Tajiri for the 2001 Survivor Series PPV, but an injury to X-Pac meant that the Light Heavyweight title was quietly retired.