For 10 points, name this Mesoamerican myth system whose calendar supposedly predicted that the world would end in 2012.
In this myth system, the four Bacabs, one for each direction, were responsible for holding up the sky. In one of its myths, a bird who thinks he's the sun and moon is killed after his teeth are replaced with corn. Seven Macaw is defeated by Hunahpu [hoo-nah-poo] and (*) Xbalanque [sh'BAH-lahn-kay], the "hero twins" of this mythology, who also played the ball game in Xibalba [shee-BAHL-bah], the underworld. For 10 points, name this Mesoamerican myth system whose calendar supposedly predicted that the world would end in 2012.
In this myth system, the four Bacabs, one for each direction, were responsible for holding up the sky.
Mayan mythology