The Greek god of wine, fertility, and revelry is Dionysus. Also known as Bacchus in Roman mythology, he represents the joy of life, celebration, and the liberating aspects of nature. Worship of Dionysus involves ecstatic rituals and festivities, underscoring the importance of joy and community in human experience. His character embodies both the pleasures and the dangers of excess, illustrating the duality of indulgence in both celebration and chaos, making him a crucial figure in mythology and cultural practices surrounding festivity.