Reina Volcán is the WWE/NXT ring name tied to Dominican professional wrestler Nicole Ripoll Martinez, who was previously known on the independent scene as Nikki Blackheart. She began wrestling in 2024, trained under Gangrel through the CCW Training Facility, and built experience in Coastal Championship Wrestling, Metroplex Wrestling, Mucha Lucha Atlanta, AAA-affiliated events and other independent promotions before joining WWE's NXT system. Her pre-WWE career included reigns as CCW Women's Champion and MPX Women's Champion.