Ann Theresa Calvello was an American athlete and notable personality in the sport of roller derby. Calvello competed in roller derby for seven decades, the 1940s through the 2000s. She broke into the sport in 1948 originally skating for a league called International Roller Speedway. Calvello, who often sported dyed hair and color-coordinated uniforms, was known for her temper. She traveled the wor... show more