Steffanie Newell was born in Bargoed, Wales. She was very good at football doing her childhood days and had played for enumerated teams during her school days. At one point she took part in trials for both Cardiff City and the Welsh National team. Steffanie suffered a knee injury at the age of 13 which cost her a place in the Under-16 Welsh National Football team. Later she gave up her passion as a result of the injuries she sustained. After quitting football, she found her interest in the sport of Professional wrestling. Newell grew up as a fan of professional wrestling after being introduced to it at the age of five. Newell got trained in the ring by Dave Stewart and "Wild Boar" Mike Hitchman. She also told that her late grandfather served as an inspiration for her professional wrestling career.
Source - WWE
Professional wrestling career
Attack! Pro Wrestling
Steffanie made her debut in 2014 at the age of 19. She played quite a few matches with the promotion. She had her debut match against Lana Austin and defeated her. Later that night she teamed up with Austin to win the Attack! 24/7 Championship. In 2015, she debuted under a new character name called Luchadora The Explorer. She had a few tag team matches where she teamed up with Mark Andrews and formed a team called Bayside High in January 2016. In April the team won their first Attack! Tag Team champions.
In April 2017, Steffanie Newell signed a contract with WWE. She was originally planned to compete in the Mae Young Classic. But she was pulled from the tournament as a result of an ACL injury. A year later Newell returned at an NXT live event in April 2018. Later Newell debuted in her new ring name Tegan Nox. Nox then entered the Mae Young Classic Tournament in 2018. She defeated Zatara in the first round and Nicole Matthews in the second round. But suffered another knee injury and left the brand following the injury.
Return to NXT
In June 2019, Tegan Nox made her return in an NXT live event in Florida. Later she made her NXT UK debut and defeated Shax. Tegan Nox then began her feud with the NXT UK Women's Champion Kay Lee Ray. She lost her match. On October 16, she returned to NXT and defeated Taynara. Tegan Nox teamed with Dakota Kai and enter into the tag team division. She then had a couple of matches at the NXT Takeover PPV. At NXT Takeover: Portland she was defeated by Kai in a street fight match. On 7 June at Takeover: In your house, Nox teamed up with Mia Yim and Shotzi Blackheart to defeat Kai, Gonzalez, and Candice Le-Rae in a six-woman tag team match. On 1 July episode of NXT The Great American Bash, Nox defeated Kai, LeRae, and Yim in a fatal four-way elimination match to become the number one contender for the NXT Women's Championship. But was unsuccessful in her match against IO Shirai. On July 9, 2021, Tegan Nox made her debut on SmackDown teaming up with her best friend Shotzi Blackheart against the WWE Women's Tag Team Champions Tamina and Natalya. Tegan Nox won the match. The duo later defeated the Tag team champions on multiple occasions but never received a shot at the title. In 2021, as a part of the Draft, she moved to the RAW brand without even competing in a match on the brand. On November 18, 2021, she was released from the company