Methuselah is a biblical figure mentioned in the Book of Genesis. He is known for having lived 969 years, making him the longest-lived human in the Bible. Methuselah was the son of Enoch and the grandfather of Noah, a key figure in the story of the Great Flood. His age has often been referenced in discussions about longevity and aging. The name "Methuselah" has become synonymous with extreme old age, and it is sometimes used in literature and popular culture to symbolize wisdom and endurance over time.