Othman I was the founder and first ruler of the Ottoman Empire. As such, he is often referred to by different names and synonyms. Some popular synonyms for Othman I include Osman I, Osman Gazi, and Osman Bey. While these names are most commonly used to refer to him, there are also other terms that can be used interchangeably, such as Osmanli, Ottomans, or Ottoman Turks, which refer to the empire he founded. Regardless of the synonym used, Othman I is a significant historical figure, as his reign in the 14th century and the establishment of the Ottoman Empire had a lasting impact on the region's politics, culture, and society.