Who is Nikki A.S.H.'s husband? RAW star's beau 'Big Damo' Killian Dain is a WWE champion

Nikki A.S.H. stunned the world by cashing in her contract on Monday Night RAW on July 19, only 24 hours after winning the women's Money in the Bank. Charlotte Flair defended her RAW Women's Championship against Rhea Ripley in the night's main event.

After the bout was disqualified, Ripley assaulted Flair after the bell rang. Nikki then entered the ring, cashed in her Money in the Bank contract, and pinned The Queen to win the RAW Women's Championship. RAW fighters and their significant others have been in the news recently. Lacey Evans announced her pregnancy with husband Alfonso Estrella-Kadlec during the tag team match in February. 

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This was Nikki Glencross aka Nikki A.S.H.'s first singles championship win in WWE, and it was perhaps the most important moment of her career. So her husband, a former WWE superstar, wrote her a heartfelt message on Twitter: "It wasn't working - but you didn't cry, didn't get salty online, didn't hate on your peers success," wrote Damo. "Instead you worked crazy hard in the gym & you worked crazy hard in the ring. You went above & beyond to get this pitch right & you nailed it. You finished this day a @WWE Champion." Here's what's to know about who Nikki's man is.

Who is Nikki A.S.H's husband?

Pro wrestler Damian Mackle or Big Damo, formerly known as Killian Dain, is Nikki's husband. He is a former WWE superstar. The Northern Irish superstar from Belfast first competed on the independent circuit under the ring name Big Damo, which is derived from his first ring name Damian O'Connor. Mackle had signed a deal with WWE and had arrived at the WWE Performance Center in Orlando, Florida, on the October 19, 2016. 

Standing tall at 6 ft 4 in and weighing 146 kg, Mackle won the ICW World Heavyweight Championship while wrestling for Insane Championship 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 were among the promotions he wrestled for on the British independent circuit, throughout Europe and in the United States.

Mackle was a goalie for his college soccer team. He also competed in rugby union, basketball and judo at the collegiate level. He claimed that the "bigger than life" personalities and face paint of wrestlers like Sting and The Ultimate Warrior drew him to professional wrestling as a child. Fit Finlay, a fellow countryman, has had a big influence on his wrestling technique and success. Speaking of his NWA Scotland coach Robbie Brookside, who is now a trainer at WWE NXT, Mackel said, "I don't think there is enough hyperbole to explain how good a coach he is...I can't think of a better coach I'd met in any sport."

The couple has been together for over a decade but is extremely private about their personal life. The longtime Sanity cohorts who have been together since 2008 were officially married in Glasgow, Scotland, on June 21, 2019. They were seen showing off their wedding bands on a social media post, which has since been removed, according to Post and Courier. They were engaged the year prior. 

WWE released Mackle in June 2021. In its aftermath, taking to Twitter, Glencross sang praises for her husband. "The whole world is waiting for you my love," she wrote. "I have seen your talent, your experience, your versatility, your work, your passion, your dedication, And your heart, first hand and up close. I have the best seat in the house. I can’t wait to watch you unleashed." Mackle, in his tweet, had taken the opportunity to thank his wife for her 13 years of unwavering support.