Collects Lobo (1990 1st Series DC) #1-4.
Born on the peaceful and tranquil world of Czarnia, the ultraviolent interstellar bounty hunter Lobo decided one day to kill everyone on the planet so that he would be unique. But years after his massacre of over five billion people, the lunatic assassin learns that one other person from Czarnia still exists, his fourth grade teacher Miss Tribb. Infuriated by the news but bound to duty, Lobo finds himself protecting his teacher from a slew of attackers as part of his latest mission. But in the end, Will Lobo revert to form and give in to his alien bloodlust?