Millie McKenzie is a British female professional wrestler, known for her work on the British independent circuit and internationally in promotions such as Japan's Sendai Girls' Pro Wrestling and American promotions like CHIKARA and World Wrestling Entertainment (WWE).
She began her career at the age of 15, debuting on 16 April 2016 under the ring name Millie Marks, with her earliest known match being a No Contest against Alexis Rose in Full Force Wrestling.
McKenzie spent her early years wrestling in various promotions, including Ironfist Wrestling, Monmouthshire Championship Wrestling, PROGRESS Wrestling, Leicester Championship Wrestling, British Empire Wrestling, Wrestle Midlands, and International Pro Wrestling: United Kingdom.
In Ironfist Wrestling, she debuted on 4 June 2016, defeating Lana Austin, and went on to win her first championship in a three-way match against Bea Priestley and Lana Austin on 24 September, becoming the new Ironfist Women's Champion.
She defended the title against various opponents, including Evelyn, Nixon Newell, Sierra Loxton, Dani Luna, and Evelyn, before losing the title to Melanie Price on 19 August 2017.
In Fight Club: PRO, McKenzie debuted on 23 June 2017, losing to Kay Lee Ray, and returned the following year on 7 January 2019, teaming with DASH Chisako in a tag match lost to Beauty Bear.
She also made her televised WWE debut on 14 November 2018, competing in a tournament for the United Kingdom Women's Championship, and was eliminated in the first round by Jinny. McKenzie returned to television the following week, teaming with Xia Brookside in defeating Charlie Morgan & Killer Kelly in a tag match.
Throughout her career, McKenzie has held multiple championships, including the Pro Wrestling Revolver Tag Team Championship, Defiant Women's Championship, Fight Forever Wrestling Women's World Championship, and Kamikaze Pro Tag Team Championship, and is currently the Sendai Girls Junior Champion in her first reign.
