[2][5][6] Growing up, she kept her love for professional wrestling a secret due to being worried that her female friends thought she was "weird" as they believed that it was only a sport for men.

[9] She became the inaugural ICW Women's Champion at Fear & Loathing VIII in a tournament final victory over Kay Lee Ray and Nikki Storm in November 2015.

match which included the likes of Jeff Jarrett, Wolfgang, Andy Wild, Leyton Buzzard, Kez Evans, BT Gunn, Grado, Jackie Polo, Mark Coffey, Joe Hendry, Kenny Williams and others.

[13] On 13 August, she joined Queen's Quest along with Shirai and HZK to face the team "Team Jungle" integrated by Hiroyo Matsumoto, Jungle Kyona and Kaori Yoneyama in a match for the Artist of Stardom Championship at the event Midsummer Champions 2017, in which they achieved to win the title and Viper crown herself champion.

[16] Along with Queen's Quest, managed to defend and retain the Artistic Championship three times[17] before they left it vacant on 15 April 2018 after a draft executed by Stardom, ending their reign with 245.

[27] In early 2019, a rumour started spreading in which it was said and expected that Viper signed with WWE,[28][29] which came out to be true when she appeared and debuted on 27 March episode of NXT UK that year, where, under the ring name Piper Niven, she confronted Rhea Ripley.

[30] Niven had her first televised match with WWE after being signed on a special program entitled WWE Worlds Collide on 24 April, which consisted on various matches that involved wrestlers from all the brands; Raw, SmackDown, NXT, 205 Live and NXT UK, this last one was the brand that she belonged to and represented, defeating Zelina Vega of SmackDown.

[34] On 19 November, Niven challenged Ray in a Falls Count Anywhere match for the NXT UK Women's Championship, where she lost due to an interference made by Jinny.

[37][38] On 14 June 2021 episode of Raw, Niven was traded to the brand as Eva Marie's unnamed protégé, defeating Naomi in her debut match.

[56] The following week on Raw, Doudrop alongside A. S. H. challenged the WWE Women's Tag Team Champions Naomi and Sasha Banks in a non-title match, but they were unsuccessful.

[59] On 26 August episode of SmackDown, A. S. H. and Doudrop entered a second chance four-way match to return to the tournament among other three teams, which was won by Natalya and Sonya Deville.

[61] At the event, they failed to win the titles due to interference from Toxic Attraction (Gigi Dolin and Jacy Jayne).

[64] On 28 January 2023, Doudrop returned as Piper Niven and participated at the Royal Rumble event in the namesake match as the 18th entrant.

[67] On October 31, they successfully defended their titles against Chase University (Thea Hail and Jacy Jayne) at Night 2 of NXT: Halloween Havoc.

[68] On the November 27 episode of Raw, Niven and Green had another successful title defense against number one contenders Natalya and Tegan Nox.

[69] On December 11, it was announced that Niven and Green would defend their tag team titles against the new number one contenders Kayden Carter and Katana Chance.

[70] The following week on Raw, Niven and Green would lose the tag team titles to Carter and Chance, ending their reign at 126 days.