The Hulk is a fictional character

Character (arts)

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 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 —...

 in the . Created by Stan Lee

Stan Lee

Stan Lee is an American comic book writer, editor, actor, producer, publisher, television personality, and the former president and chairman of Marvel Comics....

 and Jack Kirby

Jack Kirby

Jack Kirby , born Jacob Kurtzberg, was an American comic book artist, writer and editor regarded by historians and fans as one of the major innovators and most influential creators in the comic book medium....

, the character first appeared in The Incredible Hulk #1 (May 1962).

The Hulk is cast as the emotional and impulsive alter ego of the withdrawn and reserved physicist

Physicist

A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 Dr. Bruce Banner. The Hulk appears shortly after Banner is accidentally exposed to the blast of a test detonation of a gamma

Gamma ray

Gamma radiation, also known as gamma rays or hyphenated as gamma-rays and denoted as γ, is electromagnetic radiation of high frequency . Gamma rays are usually naturally produced on Earth by decay of high energy states in atomic nuclei...

 bomb (referred to as a "G-bomb") he invented.