Margarete Gertrud Zelle is famously known as "Mata Hari," a Dutch exotic dancer and courtesan who gained notoriety during World War I as a spy for Germany. Mata Hari's name has become synonymous with deceit and espionage, making her one of the most infamous figures in modern history. Some synonyms for Mata Hari include seductress, femme fatale, spy, double agent, and traitor. Her legacy continues to capture the public's imagination, inspiring many books, films, and other works of art that explore her intriguing life. Despite her controversial reputation, Mata Hari remains a fascinating figure who continues to epitomize mystery, betrayal, and espionage.