Lucas is Pedro Páramo’s father, who lives and dies deep in debt, despite his honesty and dedication to his Media Luna Ranch. He worries that Pedro is too lazy and dishonest to keep the Media Luna alive. Don Lucas dies in Pedro’s youth, when someone shoots and kills him by mistake at a wedding. Furious and unsure who to blame, Pedro retaliates by killing all the wedding’s attendees, marking the beginning of his long reign of terror in Comala.