Oceanus, in ancient Greek mythology, is the primordial Titan god of the vast, encircling river Okeanos, which was believed to encompass the entire world and serve as the source of all Earth's fresh water. As one of the eldest Titans born from the union of Uranus (Sky) and Gaia (Earth), Oceanus played a crucial role in early mythological cosmogony, embodying the world's outermost boundary and the life-sustaining properties of water. Unlike other Titans who often engaged in epic conflicts, Oceanus is generally depicted as more benevolent and detached from the power struggles that characterized much of the Titanomachy. He is usually portrayed as a massive, serene figure, representing the boundless and nurturing qualities of the world's waters.