Avocado
As a species, the avocado has existed for approximately 10 million years, originally co-evolving with giant ground sloths and gomphotheres that served as its primary seed dispersers. When these megafauna went extinct roughly 13,000 years ago, the avocado should have followed—yet human cultivation intervened. The fruit has survived ice ages, mass extinctions, and agricultural industrialisation. Its current commercial dominance represents merely the latest chapter in an extraordinarily protracted evolutionary narrative.
Sherlock Holmes
Holmes first appeared in 1887 with "A Study in Scarlet" and has maintained continuous cultural presence for over 135 years. Unlike many Victorian literary creations, Holmes has never experienced significant periods of obscurity. New adaptations emerge every decade, each finding fresh audiences. The character has outlived his creator by a century and shows no signs of diminishing relevance. This represents extraordinary longevity for a fictional construct in an era of increasingly rapid cultural turnover.