Ever wondered how Mario got his name? No? Well now you know, a real estate baron in Seattle is an undercover 8-bit plumber.
Mario A. Segale, real estate developer, was indeed the namesake of Nintendo’s Mario character, and he was indeed the landlord of Nintendo’s Tukwila, Washington warehouse in 1981 when employees of the then very small Nintendo of America named the protagonist in Donkey Kong after him. Many details beyond that still remain in the realm of speculation and will remain so unless the parties involved talk to the press in more detail (and reporters do their part by reporting it accurately).
This is what he looked like in high school.
You know this thanks to this rather detailed Technologizer article.