Heracles is the quintessential ancient Greek hero. The rich and massive tradition associated with him encompasses myths of all kinds: quest myths, monster-fights, world-foundational myths, aetiological myths, philosophical myths, allegorical myths, and more. It informs and is informed by every genre and variety of Classical literature. The figure of Heracles opens windows onto numerous aspects of ancient religion, including those of cult, syncretism, Christian reception, the relationship between gods and heroes, and the intersection of religion with politics.