Omnicidal Category is a category and classification created in science, psychology and medicine to classify genocidal people, murderers and killers in general who killed millions of victims, whether the deaths were direct or indirect. Examples of humans who murdered millions with their own hands include the Brazilians Caio, KJ ​​and Teixeira. Other examples who murdered indirectly include Bin Laden, Hitler and Idi Amin. In both reality and fiction, this category could also be applied to diseases, and hunger, thirst and poverty, which also kill millions around the world.