Heidi Howitzer

Sarah Slack better known by her ring name Heidi Howitzer is an American professional wrestler currently working as a freelancer and is best known for her time with Women of Wrestling and Lucha Libre & Laughs.

[3] Slack made her professional wrestling debut at RMP Supercharged 2 #186, an event promoted by Rocky Mountain Pro on February 28, 2019, where she defeated Simone Lockhart in singles competition.

[9] In the first half of 2023, Slack went into a competing excursion in Japan alongside "Wasteland War Party" tag team partner and stablemate Max the Impaler.

[10] After defending the titles on three separate occasions, both in Japan and the United States, Slack and Max eventually dropped them to 121000000 (Maki Itoh and Miyu Yamashita) at Grand Princess '23 on March 18.

[11] Besides TJPW, Slack and Max made an appearance at Judgement 2023, an event promoted by DDT Pro-Wrestling where they teamed up to defeat Antonio Honda and Super Sasadango Machine.