Morteza Mehrzad, second-biggest person of the world, and a Paralympian:
https://www.spiegel.de/sport/olympia/paralympics-2021-sitzvolleyballer-morteza-mehrzad-koerpergroesse-2-46-meter-blockhoehe-im-sitzen-1-96-meter-a-2794a721-cd1d-41ef-8661-65dfe1183597
https://en.wikipedia.org/wiki/Morteza_Mehrzad
Appparently unbeatable in sit-volleyball, but also disabled because of his uneven growth, and sadly, seems like an early death.