Madman is a fictional character

Fictional character

A character is the representation of a person in a narrative work of art . Derived from the ancient Greek word kharaktêr , the earliest use in English, in this sense, dates from the Restoration, although it became widely used after its appearance in Tom Jones in 1749. From this, the sense of...

, a comic book

Comic book

A comic book or comicbook is a magazine made up of comics, narrative artwork in the form of separate panels that represent individual scenes, often accompanied by dialog as well as including...

 superhero

Superhero

A superhero is a type of stock character, possessing "extraordinary or superhuman powers", dedicated to protecting the public. Since the debut of the prototypical superhero Superman in 1938, stories of superheroes — ranging from brief episodic adventures to continuing years-long sagas —...

 created by Mike Allred and most recently published by Image Comics

Image Comics

Image Comics is a United States comic book publisher. It was founded in 1992 by high-profile illustrators as a venue where creators could publish their material without giving up the copyrights to the characters they created, as creator-owned properties. It was immediately successful, and remains...

. He first appeared in Creatures of the Id (October 1990). His name, a combination of Frank Sinatra

Frank Sinatra

Francis Albert "Frank" Sinatra was an American singer and actor.Beginning his musical career in the swing era with Harry James and Tommy Dorsey, Sinatra became an unprecedentedly successful solo artist in the early to mid-1940s, after being signed to Columbia Records in 1943. Being the idol of the...

 and Albert Einstein

Albert Einstein

Albert Einstein was a German-born theoretical physicist who developed the theory of general relativity, effecting a revolution in physics. For this achievement, Einstein is often regarded as the father of modern physics and one of the most prolific intellects in human history...

, is also a reference to Frankenstein

Frankenstein

Frankenstein; or, The Modern Prometheus is a novel about a failed experiment that produced a monster, written by Mary Shelley, with inserts of poems by Percy Bysshe Shelley. Shelley started writing the story when she was eighteen, and the novel was published when she was twenty-one. The first...

.
Frank Einstein was born Zane Townsend, an agent of the Tri-Eye Agency. Townsend was killed in a car accident, then stitched back together and brought to life by two scientists, Dr.