Mario was named after Nintendo of America's warehouse landlord Mario Segale, who confronted the president of Nintendo at the time and demanded back rent.
(Info from Wikipedia.)
Mario Is named Mario because Mario is the name of the characters and he goes through a lot of obstacles to meet with Princess Peach. Sonic isn't better than Mario.
Originally, Mario was named Jumpman. But somebody's landlord was named Mario Segali, and Mario's inventor noticed Mario Segali looked like Jumpman. Figure out the rest.
His name was jump man.
Mario is a fictional video game character. Though, some people in the world are named 'Mario', so people named 'Mario' are real, but the video game character isn't.
Mario was made by a Japaness man who work for Nintendo named Shigorgu Myamoto
It was a mistake. Mario was the main characer. However, like the Jonas Brothers, Mario and Luigi: their last name is Mario, discovered later.
Mario's brother is named Luigi.
A guy named Mario but is called red