Which conquistadors overthrew the Aztec and Inca empires?

Hernán Cortés is known for overthrowing the Aztec Empire in 1521, utilizing alliances with rival indigenous groups and leveraging the power of Spanish weaponry and disease. Francisco Pizarro conquered the Inca Empire in 1533, capturing the Inca ruler Atahualpa and exploiting internal divisions within the empire. Both conquistadors played pivotal roles in the Spanish colonization of the Americas.