In Greek mythology, the primary sun god is Helios , who personifies the Sun itself. Helios is a Titan, son of Hyperion and Theia, and is often depicted driving a golden chariot pulled by four horses across the sky each day, bringing sunlight to the world. He is associated with the life-giving power of the sun and is sometimes called "Hyperion" or "Phaethon" (meaning "the shining")

. Additionally, the god Apollo is also closely associated with the sun, particularly as the god of light, truth, and justice. In later Greek and Roman traditions, Apollo was often conflated with Helios, embodying the more abstract aspects of sunlight rather than the literal sun itself

. Thus, Helios is the original and literal sun god in Greek mythology, while Apollo represents the light and qualities associated with the sun. Both are recognized as sun gods in different contexts within Greek mythological tradition