Mythological Titan who bore the weight of the heavens on his shoulders

ATLAS

This figure’s name is shared with a book of maps and a mountain range.

This clue refers to Atlas, the Titan from Greek mythology condemned by Zeus to hold up the sky for eternity. The phrase "bore the weight of the heavens on his shoulders" directly points to his legendary punishment, making it a straightforward definition. There’s no wordplay here—just a classic reference to a well-known mythological figure often depicted in art and literature carrying the celestial sphere.