The Trope Namer comes from a book called The Mask of Sanity , which describes how people that aren't stable can blend in with society.

"I have all the characteristics of a human being: blood, flesh, skin, hair; but not a single, clear, identifiable emotion, except for greed and disgust.

A page for describing PlayingWith: Mask of Sanity. Basic Trope: A mentally unstable or sociopathic character hides it well. Straight: As far as anyone knows ...

After spending the majority of the plot acting as a composed Evil Overlord, Zant reveals himself to be an entitled and petulant psychopath who thinks he should ...

A page for describing Laconic: Mask of Sanity. Pretending to be sane.

11 апр. 2013 г. · The Mask of Sanity trope as used in popular culture. Some people laugh as a sign of mental instability. Others speak in a Creepy Monotone or ...

The opposite of Sanity Strengthening. Compare and contrast Mask of Sanity, where a seemingly sane character is revealed to have always been insane. Best Quotes for Sanity... · Reluctant Psycho · Room Full of Crazy · Madness Mantra

Contrast Mask of Sanity for when someone actually is insane, but able to hide that fact well. Often times, this is a Reveal Trope, so expect unmarked spoilers!

The Mask of Power is an object that when worn on the face grants the wearer any number of powers, depending on the mask itself.

Mask of Sanity: Doing a very good job of concealing the madness within. Mental Handicap, Moral Deficiency: Mentally handicapped citizen lacks moral ...