[17] On September 22 at In Your House: Mind Games, the Gunns lost the Tag Team Title to Owen Hart and The British Bulldog.

At No Way Out Of Texas, the Outlaws teamed up with Triple H and Savio Vega (who replaced the injured Shawn Michaels) to face Chainsaw Charlie, Cactus Jack, Owen Hart, and Steve Austin.

[21] The next night on Raw, the New Age Outlaws won the Tag Team Championship for a second time by defeating Chainsaw and Cactus in a steel cage match, but only after interference from Triple H, Chyna, and X-Pac.

At Over The Edge, the Outlaws and Triple H were defeated by Nation members Owen, Kama Mustafa, and D'Lo Brown in a Six Man Tag Match.

[32] After suffering a torn rotator cuff in the match with The Dudley Boyz, Gunn was kicked out of D-Generation X for "losing his cool" to explain his impending absence to recover from his injury.

[26] In a 2001 match on Sunday Night Heat, Gunn was defeated by Chuck Palumbo, who recently left The Alliance to join the WWF.

The "preacher" revealed himself to be Raw General Manager Eric Bischoff (who was wearing a skin mask), who then summoned 3-Minute Warning to beat up Billy and Chuck.

At Judgment Day, Gunn and Holly challenged Charlie Haas and Rico for the WWE Tag Team Championship, but were unsuccessful.

[49] On February 13, 2005, Sopp debuted in Total Nonstop Action Wrestling (TNA) without a name (as Billy Gunn is a WWE trademark, although announcers recognized him as such) at Against All Odds with the same gimmick, helping Jeff Jarrett retain the NWA World Heavyweight Championship in a match with Kevin Nash.

At No Surrender, The James Gang competed in a Triple Chance tag team battle royal but failed to win the match.

A few weeks later on Impact!, The James Gang re-emerged under a new name Voodoo Kin Mafia (VKM for short, a play on Vincent Kennedy McMahon's initials).

[61] After the initial shock value of this incident wore off, at Genesis, The Voodoo Kin Mafia defeated Kazarian, Maverick Matt and Johnny Devine in a handicap match.

On the Lockdown preshow The Voodoo Kin Mafia defeated another one of Hemme's handpicked team Serotonin (Kaz & Havok) in a Six Sides of Steel match.

At Bound for Glory, Kip James competed in the Fight for the Right Reverse Battle Royal which was won by Eric Young.

was present along with Kip in the corner of Roxxi Laveaux at ringside for the Fatal Four Way knockout match for the TNA Women's Championship in which Gail Kim retained the title.

Kip went on another brief disappearance from television until the June 5 edition of Impact!, where he partnered with Lance Hoyt and James Storm in a losing effort against Morgan and The Latin American Xchange.

at Bound for Glory IV, Kip, Love and Sky lost to Rhino, ODB and Rhaka Khan in a Bimbo Brawl.

[63] On July 30, 2011, Sopp, working under the ring name Kip Gunn, made his debut for Lucha Libre USA as a member of the heel stable The Right.

[65] On July 23, Sopp, under his Billy Gunn name, made his first WWE appearance in nearly eight years as he reunited with Road Dogg, X-Pac, Shawn Michaels and Triple H to reform D-Generation X for one night only on the 1000th episode of Raw.

On March 11, 2013, they accepted a challenge from Team Rhodes Scholars and faced them in a match, which was interrupted by Brock Lesnar, who hit both Outlaws with an F-5 as part of his ongoing feud with Triple H. He then appeared alongside Road Dogg to help CM Punk clear out The Shield in aid of Roddy Piper on Old School Raw on January 6, 2014.

On January 26 during the Royal Rumble Kickoff Show, Gunn and Road Dogg beat Cody Rhodes and Goldust to win the WWE Tag Team Championship.

The next night on Raw the New Age Outlaws retained the championship against Rhodes and Goldust via disqualification when Brock Lesnar attacked the brothers.

Gunn sustained hemoptysis after he and his New Age Outlaws partner, Road Dogg, suffered a double-Triple Powerbomb by The Shield at WrestleMania XXX.

At WrestleMania 31, Gunn, with Road Dogg, X-Pac and Shawn Michaels, reunited as D-Generation X to help Triple H in his match against Sting.

On September 4, 2016, Gunn made his debut for Chikara, representing DX alongside X-Pac in a tag team gauntlet match.

[71] On November 5, 2016, at the New Japan Pro-Wrestling (NJPW) event Power Struggle, Yoshitatsu announced Gunn as the newest member of his Hunter Club stable and his partner for the upcoming 2016 World Tag League.

[73] Gunn returned to NJPW on January 4, 2017, taking part in the pre-show New Japan Rumble at Wrestle Kingdom 11 in Tokyo Dome, from which he was eliminated by the eventual winner Michael Elgin.

On the May 27, 2020, episode of Dynamite, Gunn, now under the shortened ring name of Billy, participated in a battle royal match to determine the number one contender for the AEW TNT Championship.

[78][79] On the November 4, 2020, episode of Dynamite, The Gunn Club teamed with Cody Rhodes to successfully defeat The Dark Order (John Silver, 10 and Colt Cabana).

[82][83] On the December 8, 2020, episode of Dark The three man Gunn Club-which entered the ring on a golf cart with the words "Taz Taxi" on the side, defeated Shawn Dean, Sean Maluta & RYZIN.