Yax K'uk' Mo' was a prominent ruler of the ancient Maya city of Copán, located in present-day Honduras. He is believed to have reigned during the late 5th century and is often credited with founding the royal dynasty of Copán. His name translates to "First Quetzal Macaw," symbolizing power and authority in Maya culture. Yax K'uk' Mo' is known for his significant contributions to the city's architecture and art. Under his leadership, Copán flourished, with the construction of impressive temples and stelae, which are stone monuments that commemorate important events and rulers. His legacy continues to be studied by archaeologists and historians.