It has never been addressed in any Mario game, but one of his hobbies is treasure hunt and all of his games revolve around that.
Chat with our AI personalities
tetris, dr mario, Super tetris, warios woods.
turn into wario, and press a when ur near a treasure chest or a garbage can
some are outside which is yoshis and luigis rabbits and one of warios rabbets are in boos courtyard that's all i know and luigis rabbit outside is ontop of the castle
Job
can you get a job in fifth grade