Doctor Griffin is a fictional character, also known as
The Invisible Man, who appears as the titular protagonist in
H.G. Wells' 1897
science fiction novella The Invisible Man. In the original novel, Griffin is a scientist whose research in
optics and experiments into changing the human body's
refractive index to that of air results in his becoming
invisible. The character has become iconic, particularly in
horror fiction, and versions and variations have appeared throughout various media.