In Greek mythology, the celestial beings known for their strength include the Titans, particularly figures like Atlas and Cronus. These beings represent primordial forces of nature and power, often depicted as giants embodying the earth and sky. They played significant roles in various myths, including conflicts with the Olympian gods, showcasing their immense abilities. The concept of strength in this context highlights the struggle for supremacy and the balance of cosmic order, adding depth to the narratives of Greek mythology.