Hardy continually wrestling with the WWF sporadically, including matches against Hunter Hearst Helmsley and "The Ringmaster" Steve Austin.
It was not until 1998, however, that the Hardy brothers were given a full-time WWF contract.
He has also won the WWE's United States, European, Hardcore, and Cruiserweight Championships once each.
In adventure stories, they are often Blood Brothers.
These pairs usually go through a lot of Ho Yay situations and can sometimes have the tendency to bicker Like an Old Married Couple.
In 2001, after Jeff's Intercontinental Championship run, Hardy was given a singles championship push. He became the second-longest reigning European Champion in history and the longest-reigning American-born European Champion.
Throughout the year, the Hardy Boyz continued to win as a tag team, winning the WWF Tag Team Titles two more times, and the WCW Tag Team Titles during the Invasion.
Though despite the trope name, the characters in question are not necessarily both heterosexual.
Sometimes this is an extreme form of an Odd Couple, in that the two are different as night and day.
Those Two Guys may acquire this label, as may the title characters of .
Don't expect them to be friendly to each other, though; quite a few are Vitriolic Best Buds.
In 2000, the Hardy Boyz found a new manager in their real-life friend Lita. Throughout 2000 they continued feuding with Edge and Christian, defeating them for the WWF Tag Team Titles on two occasions.
At Summer Slam the Hardy Boyz competed in the first ever Tables, Ladders, and Chairs match, for the Tag Team Titles against the Dudley Boys and Edge and Christian, but were unsuccessful. Hardy believes that he was pushed to win the title because of Jeff winning the Intercontinental Championship, and because of the effort he put into his previous storyline with Triple H and Stone Cold Steve Austin.
Matt returned to WWE at Wrestle Mania 33 along with his brother Jeff Hardy in a Fatal Four Way Ladder Match for the Raw Tag Team Titles which they won to become 7-time WWE Tag Team Champions.