The originalheld the mantle from 1964
Heinrich Zemo
Powers. Slowed Aging Thanks to his special Compound X, Zemo's aging has been slowed by a significant amount, bordering on immortality. This has allowed him to retain his youthful vigor, vitality, and appearance well into his old chronological age.
Origin
A ruthless Nazi scientist and nobleman, Heinrich Zemo served the Third Reich during World War II, developing deadly experimental weapons and chemicals — including Compound X, which dramatically slowed his aging. His hatred of Captain America made him a persistent threat well into the modern era.