Popol Vuh

Now we shall tell how Zipacna was defeated by the two boys, Hunahpii and Xbalanque. Now follows the defeat and death of Zipacna, when he was overcome by the two boys, Hunahpii and Xbalanque. The boys' hearts were full of rancor because the four hundred young men had been killed by Zipacna.

And he only hunted fish and crabs at the bank of the river, which were his daily food. During the day he went about looking for food, and at night he carried mountains on his back.