Antonio Yammara is a fictional character from the novel "The Informers" by Juan Gabriel Vásquez. He is a law professor in Colombia who becomes entangled in the complexities of his country's violent past. His character explores themes of memory, guilt, and the impact of history on personal lives. Throughout the story, Yammara reflects on his relationships and the choices he has made. His journey reveals the struggles of individuals trying to navigate a society marked by political turmoil and the lingering effects of Colombian conflict. The narrative delves into the moral dilemmas faced by those living in a divided nation.