Dennis is a common male given name that has origins in the Greek name Dionysius, which means "follower of Dionysus," the Greek god of wine and festivity. The name has been popular in various cultures and has many variations, including Denis in French and Denny as a diminutive form. In popular culture, Dennis is often associated with characters in movies and television shows, such as Dennis the Menace, a mischievous young boy known for his antics. The name has also been used in literature and music, contributing to its widespread recognition.