Kronos is a 1st generation titan according to Greek mythology. And Kronos is the king of the 1st generation gods. Kronos has created the time. Kronos is the only god who can travel on time.
Kronos swallowed all his children to not rebel against him. But Zeus, the child of Kronos, was hid by the wife of Kronos. And Zeus began a rebellion against his father, Kronos, when he grew up. And Zeus saved all his brothers. Eventually, Kronos was been prisoner underground because of Zeus and Hades.