Kacy Catanzaro (born January 14, 1990) is an American gymnast, athletics-based television personality, and professional wrestler, nicknamed Mighty Kacy. She is currently signed to WWE, where she is assigned to their developmental territory NXT. She was the first woman to qualify for the finals of the television sports show American Ninja Warrior and the first, and so far only, woman on it to complete a City Finals course.
Born in Glen Ridge, New Jersey, Catanzaro grew up and attended high school in nearby Belleville and is of Italian descent. She is a relatively small woman, standing only 5 feet (1.5 m) tall and weighing only 95 pounds (43 kg). She began doing gymnastics at age 5. She attended Towson University in Towson, Maryland from 2009 until 2012, studying early childhood education on an athletic scholarship.
Catanzaro competed in gymnastics for Towson in Division I of the National Collegiate Athletic Association and was named the Southeast Regional Gymnast of the Year in 2012. She was also named the 2012 Eastern College Athletic Conference Gymnast of the Year and was the top-ranked competitor in that conference for that year.