Alex Mason is a fictional character and the main protagonist in the video game series Call of Duty, particularly known for his role in Call of Duty: Black Ops. He is a former soldier and CIA operative who becomes involved in covert operations during the Cold War. His character is known for his complex backstory and struggles with memory and trauma. Throughout the series, Alex Mason is depicted as a skilled marksman and a dedicated soldier. His story involves themes of loyalty, betrayal, and the psychological effects of warfare. Mason's character has become iconic within the gaming community, contributing to the popularity of the Call of Duty franchise.