Machiko Soga was a Japanese actress best known for her role as Rita Repulsa in the popular television series Mighty Morphin Power Rangers. Born on June 18, 1944, in Osaka, Japan, she gained fame for her portrayal of the iconic villainess, which became a significant part of the show's success in the 1990s. In addition to her work on Power Rangers, Soga had a diverse career in film and television, appearing in various Japanese productions. She was recognized for her talent and versatility, contributing to the entertainment industry both in Japan and internationally until her passing on May 7, 2006.