What civilization had a ruler whose name was Atahualpa?

Atahualpa was the last emperor of the Inca Empire, which flourished in the Andean region of South America prior to Spanish conquest. He ruled from 1532 until his capture and execution by Spanish conquistador Francisco Pizarro in 1533. Atahualpa's reign marked the end of the Inca civilization, as it succumbed to Spanish colonization and warfare.