Alistair is a common male given name of Scottish origin, derived from the Gaelic name "Alasdair," which is a form of "Alexander." The name means "defender of the people" and has been popular in various cultures, particularly in English-speaking countries. In literature and media, Alistair is often portrayed as a strong and noble character. For example, in the video game series Dragon Age, Alistair is a prominent character known for his leadership and moral integrity. The name has also been used in various books and films, contributing to its recognition in popular culture.