Madison Knisley is an American professional wrestler and gymnast. She is signed to WWE where she performs on the NXT brand under the ring name Thea Hail.

Madison Knisley was born in Pittsburgh, Pennsylvania. She went to school at Pivik Elementary School, in Plum Borough, Pennsylvania and studied gymnastics at a gymkhana in Monroeville.

On September 28, 2021, Knisley made her All Elite Wrestling debut as enhancement talent on Dark under the ring name Nikita Knight against Thunder Rosa. She wrestled in one other match with the promotion against Julia Hart, on the October 24, 2021 episode of Dark, which she lost.