Methuselah is a biblical figure mentioned in the Book of Genesis, known for having lived 969 years, making him the longest-lived human in The Bible. He is the grandfather of Noah and is often associated with themes of longevity and wisdom. Methuselah's age has made him a symbol of extreme lifespan in various cultures and discussions about aging. His story reflects the genealogical lineage leading to the great flood narrative in the Bible.