In April 2014, Scott made his debut for Total Nonstop Action Wrestling (TNA) under his Crazzy Steve ring name and became a part of Knux's The Menagerie stable, which also included The Freak and Rebel.

On the January 26, 2016, episode of Impact Wrestling, Steve, Abyss and Rosemary attacked TNA World Tag Team Champions The Wolves and stole their titles, thus forming a new stable called Decay.

On the May 3 episode of Impact Wrestling, Rosemary spit green mist into his face before Abyss's match with James Storm, giving him the ability to speak for the first time in TNA.

On December 15, during special episode Total Nonstop Deletion, Decay competed in Tag Team Apocalypto where The Hardys retained the titles.

On the April 27 episode of Impact Wrestling, Decay lost to The Latin American Xchange (Santana and Ortiz), and this would be Steve's last match for the company.

[14] At NWA New Year's Clash Pop-Up Event, Steve defeated Sam Shaw to become the new Tried N' True (TNT) Heavyweight Champion.

[19] On the November 24 episode of Impact!, Steve disguised himself as Suicide and defeated Rohit Raju to get a shot at his X Division Championship, but lost the following week.

They defeated Fallah Bahh and Tasha Steelz in the first round, Tommy Dreamer and Rachael Ellering in the semifinals, but lost to Deonna Purrazzo and Matthew Rehwoldt in the final.

[24] In October, Steve entered a tournament to determine the inaugural Impact Digital Media Champion, where he defeated Hernandez in the first round but lost to Jordynne Grace in the final at Bound for Glory.

[33] On August 8, 2024, Crazzy Steve and Havok made their debut in Verano de Escandalo earning the opportunity for the AAA World Mixed Tag Team Championship after defeating a Aero Star and Estrellita and Negro Casas and Dalys.

[34] On October 6 at Héroes Inmortales, they managed to win the titles after defeating Abismo Negro Jr. and Flammer, being their first AAA championship as a team.