Robert Crichton is a supporting character

Supporting character

A supporting character is a character of a book, play, video game, movie, television or radio show or other form of storytelling usually used to give added dimension to a main character, by adding a relationship with this character...

 in various media based on DC Comics

DC Comics

DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

 series. He is typically established as the warden of a prison or metal hospital.

Crichton appeared Warden of Gotham Prison in several episodes of the 1960s Batman series

Batman (TV series)

Batman is an American television series, based on the DC comic book character of the same name. It stars Adam West as Batman and Burt Ward as Robin — two crime-fighting heroes who defend Gotham City. It aired on the American Broadcasting Company network for three seasons from January 12, 1966 to...

 played by David Lewis

David Lewis (actor)

David Lewis was an American actor, born in Philadelphia, Pennsylvania. He is best known for playing Edward Quartermaine from 1978 to 1993 on the American soap opera General Hospital....

. Much like Commissioner Gordon

James Gordon (comics)

James Worthington Gordon, Sr. is a fictional character, an ally of Batman that appears in comic books published by DC Comics. The character first appeared in Detective Comics #27 , and was created by Bill Finger and Bob Kane...

 and Chief O'Hara, he was depiced as a well-intentioned official, if somewhat dependent on Batman.

Crichton was not seen in Batman: The Animated Series

Batman: The Animated Series

Batman: The Animated Series is an American animated series based on the DC Comics character Batman. The series featured an ensemble cast of many voice-actors including Kevin Conroy, Mark Hamill, Efrem Zimbalist, Jr., Arleen Sorkin, and Loren Lester. The series won four Emmy Awards and was nominated...

but a document seen in the episode Double Talk mentioned him as the warden of Arkham Asylum

Arkham Asylum

The Elizabeth Arkham Asylum for the Criminally Insane, commonly referred to simply as Arkham Asylum, is a fictional psychiatric hospital in the DC Comics Universe, usually appearing in stories featuring Batman...

.

He has also been established in some adaptations as the warden of Belle Reve

Belle Reve

Belle Reve Penitentiary is a fictional prison and sanitorium in the DC Universe, first appearing in Suicide Squad #1 by John Ostrander and Luke McDonnell.-Fictional background:...

.