Inspector Gadget is the titular main protagonist of the cartoon series and movies of the same name. He is also known as Jonathan "John" Brown.
An advanced cyborg equipped with many gadgets (from where his name is derived), he protects the world from the villainous Doctor Claw and his M.A.D. henchmen and is a mix of bumbling super-spy Maxwell Smart (who is coincidentally portrayed by his deceased voice actor Don Adams) and dim-witted detective, Inspector Clouseau.
In the original cartoon, Inspector Gadget Saves Christmas and in Inspector Gadget's Field Trip, Gadget was voiced by the late Don Adams, until Adams' retirement from the role in 1999. In Gadget and the Gadgetinis, he is voiced by Maurice LaMarche, who had also voiced Chief Quimby in the second season of the original cartoon, replacing Dan Hennessy. In The Super Mario Bros. Super Show! live-action segments, "Defective Gadgetry" and "Treasure of the Sierra Brooklyn", he is portrayed by Maurice LaMarche. In the 1999 live-action film, he is portrayed by Matthew Broderick and in the 2003 sequel, he is portrayed by French Stewart.
The gadget has straight black hair and gray eyes.
In the 1982 pilot episode, Gadget had a mustache, but it was later removed due to MGM threatening to sue DIC Entertainment as he looked too similar to Inspector Clouseau.
Gadget's attire resembles that of Inspector Clouseau's attire from the early Pink Panther movies from 1963 to 1982.
He wears a gray trench coat with a dark grey fedora, white shirt, blue tie and pants, and dark brown gloves and wears gray shoes.
In Inspector Gadget Saves Christmas and Inspector Gadget's Field Trip, he has the same appearance from the original cartoon.
In The Super Mario Bros. Super Show! live-action segment episodes, "Defective Gadgetry" and "Treasure of the Sierra Brooklyn", he wears a brown fedora, light brown trench coat, white shirt, black tie, brown gloves, blue pants, and black shoes.
In the live-action films, he wears a brown fedora, light tan trench coat, white shirt, black tie and pants, and black shoes and wears no gloves. He also has a Riverton Police Department badge on his belt. but in Inspector Gadget 2, He wears a grey coat that resembles the one from the cartoon.
In Gadgets and the Gadgetinis, He wears the same clothes in the cartoon, but he wears a black trench coat instead of grey, He also wears yellow gloves and his fedora is light gray instead of dark gray, but also retains his blue tie and pants and wears dark gray shoes.
In the 2015 cartoon, Gadget has the same appearance from the original cartoon. Albiet much thinner.