|Habitat:||Nocturnomaths and every infected person|
Intelligence Bacteria is literally infectious knowledge, transmitted by Nocturnomath. As Professor Abdullah Nightingale describes it, "You must simply conceive of knowledge as a disease." This bacteria can make even a naturally idiotic creature brim with knowledge. The amount of bacteria a person is infected with depends on his or her proximity to a Nocturnomath. As such, when Nightingale gives Captain Bluebear a hug, he transmits the entire Encyclopedia of Marvels, Life Forms and Other Phenomena of Zamonia and its Environs directly to Bluebear's brain.