Formation and WWE Tag Team Champions (2023–2024) As part of the
2023 WWE Draft, both Waller & Theory were drafted to the
SmackDown brand. On the September 22, 2023, episode of
SmackDown, Theory and Waller teamed up to defeat
The Brawling Brutes (
Butch and
Ridge Holland) in a match. On the October 13 episode of
SmackDown, Theory and Waller challenged
Cody Rhodes and
Jey Uso for the
Undisputed WWE Tag Team Championship in a losing effort. On the November 10 episode of
SmackDown, Waller and Theory provoked the newest member of the SmackDown roster,
Kevin Owens, resulting in Owens attacking both of them and being
kayfabe suspended by the WWE. On the December 15 episode of
SmackDown, both Waller and Theory lost in the first rounds of the
United States Championship #1 Contender Tournament to
Carmelo Hayes and Owens respectively. On the January 12, 2024, episode of
SmackDown, Theory faced Hayes, but their match ended in a
shoot no-contest after both of them landed on their heads from the top rope. WWE later announced that they only suffered face contusions and Theory proceeded to defeat Hayes in their rematch on the January 26 episode of
SmackDown after interference from Waller. On February 24 at
Elimination Chamber: Perth, Theory and Waller co-hosted The Grayson Waller Effect featuring Cody Rhodes and
World Heavyweight Champion Seth Rollins. After imitating
The Rock, Rhodes and Rollins attacked Theory. The following month, Theory and Waller entered a tag team tournament, defeating
The O.C. (
Karl Anderson and Luke Gallows) on the March 22 episode of
SmackDown and
The Street Profits (Angelo Dawkins and Montez Ford) in the finals a week later to qualify for the
six-pack ladder match for the Undisputed WWE Tag Team Championship at
WrestleMania XL. At Night 1 of WrestleMania XL, Waller retrieved the
SmackDown Tag Team Championship for A-Town Down Under to become the new champions, although they failed to win the
Raw Tag Team Championship as that was won by
The Awesome Truth (
R-Truth and
The Miz). On the April 19 episode of
SmackDown, the SmackDown Tag Team Championship was renamed as the WWE Tag Team Championship and the team was presented with new title belts by WWE
chief content officer Paul "Triple H" Levesque and SmackDown
general manager Nick Aldis. On the May 3 episode of
SmackDown, A-Town Down Under defeated
The Street Profits (
Angelo Dawkins and
Montez Ford) in their first title defense. On the July 5 episode of
SmackDown, A-Town Down Under lost the titles to
#DIY (
Johnny Gargano and
Tommaso Ciampa), ending their reign at 90 days. Austin Theory and Grayson Waller also had previously feuded with #DIY weeks before the title loss. They failed to win the titles in a rematch on the following episode of
SmackDown, ending their feud. After a promo on twitter A-Town Down Under got a NXT tag title shot Oct 8th.
Championship pursuits and disbandment (2024–2025) On the September 6, 2024, episode of
SmackDown, A-Town Down Under faced Kevin Owens in a 2-on-1
handicap match but were unsuccessful as Theory was pinned, after the match Waller carried on the attack on Kevin Owens and the two double teamed Owens and then left. On the September 13, 2024, episode of
SmackDown, Austin Theory and Grayson Waller faced Kevin Owens and his mystery partner
Randy Orton in a tag team match but were unsuccessful. After a promo on social media the previous week, Theory and Waller returned to
NXT on September 24, challenging Fraxiom (
Nathan Frazer and
Axiom) for the
NXT Tag Team Championship, which they accepted. Later that night, they defeated
Cedric Alexander and
Je'Von Evans following a backstage confrontation. On the October 8 episode of
NXT, they failed to win the titles from Fraxiom. On the January 24 episode of
SmackDown, it was announced by SmackDown general manager
Nick Aldis that A-Town Down Under would be moving to the
Raw brand as part of the
transfer window. On the July 21 episode of
Raw, Waller aligned himself with
The New Day after it was reported Theory suffered a legitimate injury, quietly disbanding the team. Theory would return and align with
The Vision in December of that year. == Other media ==