what was the profession of the iconic video game character mario

The character Mario evolved from an original design named Jumpman created for the arcade game Donkey Kong.
Creator Shigeru Miyamoto initially designed Mario as a carpenter for that game, but after being told by a colleague that Mario looked more like a plumber, he changed his occupation accordingly and added the recurring use of pipes and sewers to his games.
Mario is also employed as a plumber in the live-action Super Mario Bros.

By Miyamoto's own account, Mario's profession was chosen to fit with the game design. Since Donkey Kong was set on a construction site, Mario was made into a carpenter. When he appeared again in Mario Bros, it was decided he should be a plumber, since a lot of the game is played in underground settings.

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