5'6" junior welterweight Lucia Rijker of Holland, now living in Los Angeles, California, may be the world's most dangerous female fighter on a pound-for-pound basis. She has been referred to as "The Most Dangerous Woman in the World," "Queen of Lightning," "Lady Ali," and "The Dutch Destroyer." Lucia is also known as Billie the Blue Bear in Clint Eastwood film Million Dollar Babe. She did not only act, but also trained Hillary Swank in boxing for her role as Maggie Fitzgerald.
Lucia retired from boxing in 2006. She now remains busy with training, giving lectures and seminars to athletes and people from all walks of life to perform their best.