Mohammed Reza Pahlevi was the last Shah of Iran who ruled from 1941 until his downfall in 1979. Known for his Western-friendly policies and lavish lifestyle, he was frequently referred to as the "King of Kings" and "Shahanshah" by his supporters. However, he was also criticized for his authoritarian regime and human rights violations, earning him nicknames such as "the Shah of Shame" and "the Peacock King." Other synonyms for Mohammed Reza Pahlevi include "the Shah of Iran," "Mohammad Reza Shah," and "Pahlavi." While his legacy continues to be controversial, his reign marked a significant period of modernization and economic growth in Iran's history.