Mr. Johnson is a character in Abbott Elementary, now streaming on Hulu. Played by William Stanford Davis, he's the janitor and occasional substitute teacher at Abbott Elementary. His first name is unknown, apparently written in the stars.  Prior to his janitor role, he has had a variety of careers, including a private investigator, pipe fitter, RV salesman, rodeo employee, a tastefully nude model, and a minor league bunting coach. On career day, he reveals he's been involved with state government and the mafia. Yet the role of janitor seems to suit him best, as he makes his own system for most things in the school. The students love Mr. Johnson - one student even dressed up as him for Halloween.

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