Tropescilloscope: Sanity Slippage

A character slowly grows insane throughout the story. (read more at tvtropes.org)

More Tropes I Need a Freaking Drink Arson, Murder, and Jaywalking Our Vampires Are Different Dirty Coward Left the Background Music On Camp Gay Took a Level in Badass French Films Central Theme Not Even Bothering with the Accent Danny Peary Cult Movies List Rasputinian Death You Killed My Father Alpha Bitch Wham Shot Smoking Is Cool Does This Remind You of Anything? Mad Scientist "Shaggy Dog" Story Bowdlerise Shirtless Scene Blackmail Sudden Sequel Death Syndrome Arranged Marriage Offscreen Teleportation Roaring Rampage of Revenge Driven to Suicide Femme Fatale Sassy Black Woman Overly Long Gag One-Man Army Beard of Evil You Have Got to Be Kidding Me! Evil Cannot Comprehend Good Artistic License – Gun Safety Storming the Castle Wretched Hive Fainting Very Loosely Based on a True Story Time Skip Alliterative Name Comically Missing the Point Smug Snake Nice Guy Despair Event Horizon Improbable Aiming Skills Scare Chord Ominous Latin Chanting "Awesome McCool" Name Jerk Jock For Want of a Nail Roger Ebert: Great Movies List Pre-Mortem One-Liner Insult Backfire Blonde, Brunette, Redhead Heel–Face Turn Contrived Coincidence Precision F-Strike No-Holds-Barred Beatdown Red Eyes, Take Warning Hollywood Law Badass Bookworm Television Movie Index Groin Attack Faux Affably Evil Chekhov's Gunman Extreme Doormat Plot Hole Red Shirt Take a Third Option Here We Go Again! Shipper on Deck Credits Gag Babies Ever After The '60s Costume Porn Ambiguous Disorder Suspiciously Specific Denial Gainax Ending Kill 'em All Adorkable Action Genre Insane Troll Logic Sliding Scale of Idealism vs. Cynicism The Ace Sanity Slippage Crucified Hero Shot Vitriolic Best Buds Why Don't You Just Shoot Him? Unresolved Sexual Tension Eyepatch of Power Awesome, but Impractical Dropped a Bridge on Him Australian Movies Not What It Looks Like Sir Not-Appearing-in-This-Trailer Make It Look Like an Accident Knight Templar Knife Nut Death by Adaptation Dying Moment of Awesome Music Stories Vacation Films Catapult Nightmare Animal Motifs Defrosting Ice Queen Rule of Funny Scary Black Man Bring My Brown Pants Tagline Made of Iron Bare Your Midriff What Happened to the Mouse? Air-Vent Passageway Arc Words Mistaken for Gay Soft Glass Imperial Stormtrooper Marksmanship Academy Gender Flip Scenery Porn As Himself 20 Minutes into the Future Love Triangle Peek-a-Boo Corpse Cool Shades Final Girl Playing Gertrude The '70s Karmic Death Everyone Calls Him "Barkeep" Red Oni, Blue Oni Parental Neglect Funny Background Event Woobie, Destroyer of Worlds Bullying a Dragon Butt-Monkey Slasher Smile Crazy-Prepared Race Lift Monumental Damage Twist Ending Deal with the Devil Loophole Abuse A God Am I Only Known by Their Nickname Pimped-Out Dress Adaptational Villainy Dutch Angle Never My Fault Based on a True Story Christmas Movies Index A Father to His Men Captain Obvious Stock Footage Actually Pretty Funny Bolivian Army Ending An Axe to Grind Horror Films Spiteful Spit Dirty Old Man My Beloved Smother Tranquil Fury Fingore Country Matters Film Noir Index The End... Or Is It? Cool Car Evil Laugh Breaking the Fourth Wall Have a Gay Old Time Science Fiction Films Asshole Victim Same Language Dub Auto Erotica Not Using the "Z" Word The Load Together in Death Attempted Rape Heroic Sacrifice No Good Deed Goes Unpunished The Ditz Video Credits Death of a Child Sir Swears-a-Lot Made of Explodium As You Know Worthy Opponent Anti-Villain Death Seeker Leave the Camera Running Disney Villain Death Retired Badass Villainous Breakdown Spared by the Adaptation Double Entendre Shown Their Work And the Adventure Continues Dramedy Dies Wide Open Military and Warfare Films Politically Incorrect Villain Hell Is That Noise Red Herring Manly Tears Slap-Slap-Kiss Market-Based Title Get Out! Jack Bauer Interrogation Technique Even Bad Men Love Their Mamas Obstructive Bureaucrat This Is Gonna Suck Evil Counterpart Fun with Acronyms Would Hurt a Child Kick the Dog Villain Opening Scene Spell My Name with an "S" Mama Bear Translation Convention Every Car Is a Pinto Heterosexual Life-Partners Gory Discretion Shot Jitter Cam I Want My Beloved to Be Happy Bi the Way Wounded Gazelle Gambit Bury Your Gays Slasher Movie Empathic Environment Aww, Look! They Really Do Love Each Other folderlabel Cool Old Guy Nice Hat Bound and Gagged Author Avatar Anachronic Order The Quiet One May–December Romance Black Dude Dies First Casting Gag I Just Shot Marvin in the Face Ship Tease It Can Think Police Brutality Damsel in Distress The Alleged Car Manipulative Bastard Artistic License – Biology Shout-Out Cold-Blooded Torture Artistic License – Military Maybe Ever After Big "NO!" Chuck Cunningham Syndrome Irony Obviously Evil Insistent Terminology Bitch in Sheep's Clothing Too Dumb to Live Race Against the Clock Mexican Standoff Action Survivor The Lancer Disney Death Genre Shift Outrun the Fireball Evil Is Petty Not So Different Novelization Fat Bastard Good Is Not Nice Cluster F-Bomb Rated M for Manly Those Wacky Nazis Eagleland Re-Cut Badass in a Nice Suit The '90s Spiritual Successor Pre-Asskicking One-Liner Scenery Gorn Cain and Abel The Vamp Men Are the Expendable Gender Suspiciously Similar Substitute Adaptational Heroism Word of God Hope Spot The Oner Disguised in Drag Not Quite Dead Break the Cutie Deliberately Monochrome Serious Business O.O.C. Is Serious Business Psycho for Hire The Chick Foregone Conclusion Wrong Genre Savvy Product Placement Bond One-Liner Meaningful Background Event Deliberate Values Dissonance Annoying Younger Sibling The Stoic Flipping the Bird Catch-Phrase Never Trust a Trailer aka: Trailers Always Lie The Starscream Cool Old Lady Fatal Family Photo The Alcoholic Ascended Extra Red Right Hand Laughing Mad Killed Mid-Sentence Mind Screw Card-Carrying Villain Black and Gray Morality Due to the Dead The Un-Reveal Genre Throwback Reality Is Unrealistic Bloody Hilarious He Knows Too Much Jerkass The Faceless Toilet Humour aka: Toilet Humor Exact Words Adaptational Attractiveness I Have Your Wife Artistic License – History Evil vs. Evil Psychological Thriller Loads and Loads of Characters Double-Meaning Title Greater-Scope Villain Refuge in Audacity Ambiguous Ending Works Set in World War II German Films All for Nothing Dark and Troubled Past Only in It for the Money Off with His Head! Black Best Friend No Ending Spanner in the Works Leaning on the Fourth Wall Grey and Gray Morality Your Head A-Splode N-Word Privileges Artistic License – Law Developing Doomed Characters Screw the Rules, I Have Money! Bloodier and Gorier Book-Ends The Mole Yandere Ax-Crazy Rule of Three "Where Are They Now?" Epilogue Morality Pet Male Frontal Nudity Extremely Short Timespan Villain with Good Publicity Friend to All Children Punny Name Romantic Comedy Depraved Bisexual Arch-Enemy Woman Scorned Brutal Honesty The Film of the Book Say My Name Girl-on-Girl Is Hot Zombie Stories Unusual Euphemism Up to Eleven Face Death with Dignity Eureka Moment Diabolus ex Machina Break the Haughty Kill It with Fire What the Hell, Hero? How We Got Here Action Prologue Combat Pragmatist Creator Cameo Mythology Gag Gold Digger The Reveal Impaled with Extreme Prejudice Real Life Bad Boss Gratuitous English B-Movie The Dog Bites Back Shower Scene Evil Brit The Cameo Meet Cute Car Fu Unwitting Instigator of Doom Improbable Infant Survival aka: Infant Immortality Sacrificial Lion Undying Loyalty An Arm and a Leg Manchild Abhorrent Admirer Fake Shemp Dramatic Gun Cock Fish out of Water Better to Die than Be Killed Overprotective Dad Frame-Up Grievous Bottley Harm Sexy Discretion Shot Gone Horribly Right Light Is Not Good Mystery and Detective Films Bar Brawl World of Ham Setting Update Department of Redundancy Department Punctuated! For! Emphasis! Self-Deprecation Last-Name Basis Gilligan Cut Ambiguously Gay Villain Song Reality Has No Subtitles Training Montage The Mafia Running Gag Almost Kiss Recycled IN SPACE! Amusing Injuries Romantic False Lead The Stoner Bait-and-Switch Cat Fight Show Within a Show Lampshade Hanging The Place In Name Only Chekhov's Gun Motor Mouth Shut Up, Hannibal! Obfuscating Stupidity Pragmatic Villainy Revenge Hong Kong Films Bunny-Ears Lawyer The Hero Dies Evil Sounds Deep Hero of Another Story Framing Device Ms. Fanservice Chiaroscuro Camera Abuse Hate Sink Gorn The '50s Homage Noodle Incident Alas, Poor Villain Kick the Son of a Bitch Papa Wolf What You Are in the Dark Would Hit a Girl My God, What Have I Done? Badass Boast Riddle for the Ages And Starring Bavarian Fire Drill Hair of Gold, Heart of Gold Earn Your Happy Ending Epic Movie Demoted to Extra Distracted by the Sexy Ragtag Bunch of Misfits Bald of Evil Adaptation Expansion The Big Guy Funny Foreigner Silent Movie Action Girl And I Must Scream Award-Bait Song Disappeared Dad Star-Crossed Lovers Idiot Ball Bottomless Magazines Sports Stories Curb-Stomp Battle Police are Useless Tempting Fate Getting Crap Past the Radar Canon Foreigner Anti-Hero Horror Doesn't Settle for Simple Tuesday Shell-Shocked Veteran Tap on the Head Historical Hero Upgrade Brother–Sister Incest Ass Shove Adaptation Distillation Never Found the Body Honor Before Reason Crapsack World Reasonable Authority Figure Screw This, I'm Outta Here! Advertised Extra Hollywood Darkness The Bully Interrupted Suicide Vomit Discretion Shot Room Full of Crazy Dark Reprise Kubrick Stare Neck Lift Implacable Man From Bad to Worse Death by Irony You Have Failed Me Chekhov's Skill Horror Comedy Heroic BSoD Crouching Moron, Hidden Badass Title Drop Artistic License – Physics It's All About Me Throwing Your Sword Always Works Taking You with Me It's Personal Determinator aka: The Determinator Becoming the Mask Fourth Date Marriage The Power of Love Age Lift Fanservice Deadpan Snarker Half the Man He Used to Be Blatant Lies Rousing Speech Dull Surprise Captain Ersatz Line-of-Sight Name Malevolent Masked Men Parental Incest Punch-Clock Villain The Brute Big Fancy House Properly Paranoid Offscreen Moment of Awesome Meaningful Echo The Dragon Character Development Beware the Nice Ones Berserk Button Darker and Edgier Domestic Abuse Defiant to the End Canadian Movies Children Are Innocent Biopic No Antagonist Evil Plan Covers Always Lie Logo Joke Redshirt Army Match Cut I'm a Humanitarian Russian Films An Aesop Slashed Throat The Chessmaster Stepford Smiler Nice Job Breaking It, Hero! Shoot the Shaggy Dog Exactly What It Says on the Tin Call-Back Dramatic Irony One Steve Limit Didn't Think This Through Humiliation Conga Mercy Kill Back from the Dead Improbable Weapon User Even Evil Has Loved Ones I Did What I Had to Do The Stinger Agony of the Feet The Dreaded Heroes Want Redheads Unspoken Plan Guarantee Large Ham Broken Pedestal Aside Glance timeperiod Paper-Thin Disguise Those Two Bad Guys Demonic Possession The Musical Only a Flesh Wound Epic Fail Adaptational Badass Death Glare Our Zombies Are Different Hero Antagonist Dogged Nice Guy Flashback Freudian Excuse Let's Get Dangerous! Never Trust a Trailer Betty and Veronica No Celebrities Were Harmed Green-Eyed Monster Armor-Piercing Question Mugging the Monster Creative Closing Credits Decoy Protagonist Face–Heel Turn Celebrity Paradox Oh, Crap! Moment Killer Author Appeal Martial Arts Movie Skewed Priorities Batman Gambit The Smurfette Principle Sinister Minister As Long as It Sounds Foreign Bland-Name Product Lock and Load Montage Man on Fire No-Sell Mundane Made Awesome A Date with Rosie Palms Wicked Cultured Non-Indicative Name Silence Is Golden Big Bad Not So Stoic Big-Bad Ensemble Bad "Bad Acting" Five-Man Band Sole Survivor Everyone Has Standards Blood Knight Chewing the Scenery Pyrrhic Victory You Have Outlived Your Usefulness Failed a Spot Check Unusually Uninteresting Sight The Remake Names to Run Away from Really Fast Death by Sex Pretty Little Headshots All Just a Dream Heel Realization Downer Ending Corrupt Corporate Executive Italian Films Historical In-Joke No OSHA Compliance Super Strength Plucky Comic Relief Screw the Money, I Have Rules! Corpsing Evil-Detecting Dog Continuity Nod Neck Snap Woman in White Adapted Out Small Name, Big Ego All Men Are Perverts Stalker with a Crush British Films Naked People Are Funny Karma Houdini Eldritch Abomination Disproportionate Retribution Badass Longcoat Mr. Exposition Recap / RiffTrax aka: Riff Trax Movies Enemy Mine Token Minority Genre Savvy Deus ex Machina Victoria's Secret Compartment Older Than They Look Rule of Symbolism The Sociopath Major Injury Underreaction Nice Job Fixing It, Villain! Anguished Declaration of Love The Smart Guy Ungrateful Bastard Dumb Blonde Needs Wiki Magic Love Fiery Redhead All There in the Script Big Brother Instinct Japanese Films Laser-Guided Karma Rape Is a Special Kind of Evil Historical Villain Upgrade Stealth Pun Adaptation Dye-Job Cruel and Unusual Death Villain Ball Film Noir Anyone Can Die Missing Mom My Greatest Failure Freeze-Frame Bonus Foil Unreliable Narrator Cassandra Truth Dual Wielding Instant Death Bullet Public Domain Feature Films The Hero Stuff Blowing Up Foreshadowing Amoral Attorney Straight Gay Screw the Rules, I'm Doing What's Right! Drowning My Sorrows Closed Circle Guile Hero Abusive Parents Big Eater Cool Guns Early Installment Weirdness Male Gaze Love at First Sight Put on a Bus Fate Worse than Death Ugly Guy, Hot Wife Your Cheating Heart Action Film, Quiet Drama Scene Maybe Magic, Maybe Mundane Really Gets Around Married to the Job "The Reason You Suck" Speech Improvised Weapon Totally Radical Beauty Is Never Tarnished Pragmatic Adaptation Bilingual Bonus Protagonist Title Parental Abandonment Retirony All There in the Manual The Casanova Cloudcuckoolander All Girls Want Bad Boys Anachronism Stew There Is No Kill Like Overkill In Medias Res The Atoner No Name Given Taking the Bullet Soundtrack Dissonance Accidental Misnaming Sequel Escalation In the Back The '80s Dissonant Serenity Ripped from the Headlines Artistic License – Geography Documentary Famous Last Words The Bad Guy Wins Humans Are Bastards Cowboy Cop Animated Credits Opening Deconstruction Expository Hairstyle Change Madness Mantra Rich Bitch Rule of Cool Facial Horror Coming-of-Age Story Random Events Plot Handicapped Badass He Who Fights Monsters Pay Evil unto Evil Took a Level in Jerkass Immune to Bullets Psychopathic Manchild Brainless Beauty Composite Character Retcon Affectionate Parody Why Did It Have to Be Snakes? Sequel Hook For the Evulz From Nobody to Nightmare Bond Villain Stupidity Vomit Indiscretion Shot Daddy's Girl Only Sane Man Beta Couple Leitmotif Index of Film Westerns Broken Aesop Dressing as the Enemy "Well Done, Son!" Guy Brick Joke Accidental Murder Thriller She's Got Legs Truth in Television Fire-Forged Friends Important Haircut The Cavalry Film Series Parental Substitute Real Life Writes the Plot Easily Forgiven Manic Pixie Dream Girl Drugs Are Bad Destination Defenestration Bloodless Carnage Fatal Flaw Badass Grandpa Creepy Child Adult Fear The Lost Lenore Big Damn Heroes Rape as Drama Posthumous Character Vampire Fiction La Résistance Calling the Old Man Out Chase Scene Meaningful Name Early-Bird Cameo The Ghost Belligerent Sexual Tension Intergenerational Friendship Poor Communication Kills The X of Y Dark Action Girl Faking the Dead Does Not Like Shoes Serial Killer Darkest Hour More Dakka Actor Allusion Wham Line Adults Are Useless Narrator Sealed Evil in a Can Crazy Jealous Guy Affably Evil As the Good Book Says... Nothing Is Scarier Establishing Character Moment She Cleans Up Nicely Informed Ability Drill Sergeant Nasty Evil Is Hammy Lighter and Softer True Companions Pun aka: Incredibly Lame Pun Boom, Headshot! Badass Normal '80s Hair Mighty Whitey Mooks Colour-Coded for Your Convenience aka: Color Coded For Your Convenience Reality Ensues Intrepid Reporter Fan Disservice Drives Like Crazy Authority Equals Asskicking Broken Bird Daylight Horror Blood from the Mouth Body Horror Four-Temperament Ensemble Apocalypse How Animal Title Index Big Applesauce Did Not Get the Girl Fanservice Extra Black Comedy Pretty in Mink Hypocritical Humor Pet the Dog Hooker with a Heart of Gold Ghost Fiction Those Two Guys Be Careful What You Wish For Mr. Fanservice Guns Akimbo Stylistic Suck Naïve Newcomer Bittersweet Ending Curse Cut Short Even Evil Has Standards Sci-Fi Horror Toplessness from the Back Take That! Well-Intentioned Extremist Hoist by His Own Petard Dirty Cop A Minor Kidroduction Mood Whiplash Historical-Domain Character Jerk with a Heart of Gold NO INDOOR VOICE Adaptation Name Change Rewatch Bonus Ironic Echo Hair-Trigger Temper Sadistic Choice Expy MacGuffin Aluminum Christmas Trees One-Word Title Trailers Always Spoil Eiffel Tower Effect Not So Above It All The Un-Favourite aka: The Un Favorite Eye Scream Call-Forward Cat Scare Ooh, Me Accent's Slipping Antagonist Title Stealth Hi/Bye Once More, with Clarity! Kids Are Cruel Big Bad Duumvirate Superhero Jump Scare Suddenly SHOUTING! War Is Hell After the End It Will Never Catch On Dark Is Not Evil Visual Pun Only One Name The Voiceless Off-into-the-Distance Ending Villain Protagonist Determinator Redemption Equals Death BFG A.I. Is a Crapshoot Fantasy Films Hidden Depths Happily Married Hypocrite Imagine Spot Jerkass Has a Point Black Comedy Rape Conspicuous CG Henpecked Husband Fantastic Racism Reckless Gun Usage Whole Plot Reference The Great Depression Dwindling Party