Damian Mackle
Biography
Damian Mackle is an Irish professional wrestler. He is best known for his time in WWE, where he performed under the ring name Killian Dain and since his departure from WWE he has reverted back to his ring name on the independent circuit Big Damo. That ring name Big Damo is derived from his first ring name, Damian O'Connor. Prior to joining WWE, he won the ICW World Heavyweight Championship while wrestling for Insane Championship Wrestling. He also wrestled for numerous promotions on the British independent circuit, around Europe, and in the USA including All Elite Wrestling, Progress Wrestling, Revolution Pro Wrestling, Westside Xtreme Wrestling, Absolute Intense Wrestling, Beyond Wrestling, Premier British Wrestling, Scottish Wrestling Alliance, What Culture Pro Wrestling and IPW:UK. On 19 October 2016, WWE announced that Mackle had signed a developmental contract with the company and had arrived at the WWE Performance Center in Orlando, Florida. He began to work in the NXT brand as part of the stable Sanity, along with Nikki Cross, Eric Young and Alexander Wolfe. In 2018, Dain, Wolfe and Young were drafted to SmackDown, where they worked as a stable until the dissolution. Then, he was drafted again to NXT, where he stayed until his release, in June 2021.
Known For
All Movies (31)
- PROGRESS Chapter 193: PROGRESS Las Vegas II2026 · as Big Damo
- PROGRESS Chapter 152: For The Love Of PROGRESS2023 · as Big Damo
- RevPro Revolution Rumble 20232023 · as Big Damo
- PROGRESS Chapter 145: Wrestling Witch Face - Trick Or Treat2022 · as Big Damo
- Ric Flair's Last Match: Preshow2022 · as Big Damo
- NJPW Music City Mayhem2022 · as Big Damo
- Ospreay: The Rise of an International Pro Wrestler2020
- NXT TakeOver: WarGames2019 · as Killian Dain
- WWE Best of NXT TakeOver 20182019 · as Killian Dain
- WWE Extreme Rules 20182018 · as Killian Dain
- NXT Takeover: New Orleans2018 · as Killian Dain
- NXT: Best of 20172018
- NXT TakeOver: WarGames2017 · as Killain Dain
- NXT TakeOver: Brooklyn III2017 · as Killian Dam
- WWE NXT Takeover: Chicago2017 · as Killian Dain
- WWE WrestleMania 332017 · as Killian Dain (Preshow)
- NXT Takeover: Orlando2017 · as Killian Dane
- NXT Takeover: San Antonio2017 · as Killian Dain
- RevPro Uprising 20162016 · as Big Damo
- RevPro: Angle Vs. Sabre Jr.2016 · as Big Damo
- RPW: Sittingbourne Spectacular 20162016 · as Big Damo
- RPW: Epic Encounter 20162016 · as Big Damo
- TNA One Night Only: Joker's Wild 42016 · as Big Damo
- PROGRESS Chapter 26: Unknown Pleasures2016 · as Damian O'Connor
- RevPro High Stakes 20162016 · as Big Damo
- ICW Fear & Loathing VIII2015 · as Big Damo
- RevPro & NJPW: Global Wars UK2015 · as Damian O'Connor
- RevPro Uprising 20152015 · as Big Damo
- RevPro Summer Sizzler 20152015 · as Damian O'Connor
- RPW: At Our Best 20152015 · as Damian O'Connor
- EVE Special Edition2012 · as Damian O'Connor
All TV Shows (11)
- WXM Ground Zero2025 · as Big Damo
- QuizzleMania2020 · as Big Damo
- ICW Fight Club2015 · as Big Demo
- WWE NXT2010 · as Big Damo
- WWE NXT2010 · as Killan Dain
- WWE NXT2010 · as Killian Dain
- WWE NXT2010 · as Killian Dame
- WWE NXT2010
- WWE NXT2010 · as KIllian Dain
- WWE Friday Night SmackDown1999
- WWE Pay Per View1985