Luchasaurus

On May 25, 2019, Matelson debuted for All Elite Wrestling (AEW) at Double or Nothing as a part of the pre-show Casino Battle Royale. He lasted until the final three, before being eliminated by Adam Page. Three days later it was revealed that he had signed with the company full-time as Luchasaurus. He would then go on to form a tag team with Jungle Boy as he managed him at Fyter Fest and teamed up with him at Fight for the Fallen in a Triple Threat tag team match involving The Dark Order and Angelico and Jack Evans in a losing effort. At All Out, Luchasaurus alongside Jungle Boy and Marko Stunt would debut as the stable "Jurassic Express". His singles record for AEW is 3-0.

On the July 18, 2018, episode of Lucha Underground Vibora defeated Johnny Mundo.

On the August 1, 2018, episode of Lucha Underground The character Vibora was "killed off" via decapitation by a sword-wielding Taya Valkyrie.

On November 9, 2017, Matelson teamed with fellow Big Brother contestant Jessie Godderz under the team name Team Big Brother, they defeated HATE (Peter Avalon and Ray Rosas) in a match for Bar Wrestling.

Matelson made his return to professional wrestling in 2016, having not competed since his release from WWE in 2013. On June 17, 2016, in a match for Millenium Pro Wrestling (MPW) under the ring name Austin Draven, he defeated Ryan J. Morales. On September 30, 2016, under the ring name Just Judas he defeated Danny Divine to become MPW Heavyweight Champion.

In May 2016, Matelson under a mask and the ring name Vibora made his Lucha Underground debut as a part of the Reptile Tribe stable. On May 7, 2016, Vibora along with Pindar and Drago won the Lucha Underground Trios Championship. Reptile Tribe lost the Lucha Underground Trios Championship against Dante Fox, Killshot and The Mack.

In the summer of 2015, Matelson appeared as a contestant in the 17th season of Big Brother. He was evicted during the twelfth week and placed fifth.

In late February and March 2015, several former NXT trainees previously working within WWE developmental system alleged misconduct by head trainer Bill DeMott, with Devlin and Brandon Traven publicizing complaints which they claimed they had submitted to WWE management about DeMott back in March 2013 when they were still employed with WWE. Meanwhile, other ex-trainees like Briley Pierce, Derrick Bateman and independent wrestler Terra Calaway also made allegations in 2015, while previous allegations made in 2013 by Chad Baxter and Chase Donovan were also noted. They accused DeMott of making trainees perform dangerous drills, physically assaulting and bullying trainees, using homophobic and racial slurs amongst other derogatory terms, and condoning sexual harassment. WWE released statements regarding some of the claims that came to light in 2013 and 2015, saying that investigations were done and no wrongdoing was found. On March 6, 2015, DeMott denied the allegations, but resigned from WWE "to avoid any embarrassment or damage" to the company.

Before beginning studies at California State University, Northridge, Matelson had been entirely homeschooled. He earned two history degrees at CSUN—a B.A. in 2008 and a M.A. in 2010, with his master's concentration and thesis in medieval literature. While in the Big Brother house, Matelson began a relationship with Liz Nolan. The two continued to date for five months before breaking up in February 2016.

In 2012, Matelson signed a developmental contract with WWE and was sent for training at FCW where he was given the ring name Judas Devlin. On August 1, 2012, he made his FCW debut teaming with Corey Graves defeating Briley Pierce and CJ Parker. In 2012, FCW was renamed NXT and Devlin transferred to the new development brand, performing mainly at house shows. Austin was released in 2014 after a severe hip injury.

Austin Matelson (born March 10, 1985) is an American professional wrestler and television personality currently signed to All Elite Wrestling (AEW). He is best known for his work in Lucha Underground as Vibora and also works the independent circuit and AEW as Luchasaurus. He was signed to WWE where he wrestled under the ring name Judas Devlin in NXT. He was a house-guest on the reality competition, Big Brother 17, in which he placed 5th. Matelson attended California State University, Northridge where he received a bachelor's degree and a master's degree in medieval history.