History Literature / TheStrangeCaseOfDrJekyllAndMrHyde

* In ''Comicbook/TheLeagueOfExtraordinaryGentlemen'' and its [[Film/TheLeagueOfExtraordinaryGentlemen film adaptation]], Jekyll and Hyde are {{Exp|y}}ies of [[ComicBook/TheIncredibleHulk Bruce Banner and the Hulk]], who were in turn based off Jekyll and Hyde. The pair can communicate: Jekyll [[TheMirrorShowsYourTrueSelf sees Hyde in mirrors]], and Hyde is omnipresent in his subconscious. Hyde's powers of perception are not usable by Jekyll unlesa the former advises the latter. The comic depicts Hyde as a huge mutant, which Hyde himself explain: Originally, as in the book, Jekyll was a strapping man and Hyde "practically a dwarf", but when separated into distinct individuals for prolonged periods, Jekyll grows weak and frail without Hyde's passion, while Hyde grew in power without Jekyll's morals to limit him.

* The nature of his split personality. In adaptations set in the modern-day, Jekyll is usually unaware or only vaguely-conscious of Hyde, suffering from [[AlternateIdentityAmnesia split-personality amnesia]]. The book suggests that Jekyll remembers everything he does as Hyde, begins to find his own depravity horrifying and tries to dissociate himself from it. Hyde himself has unclear memories of what Jekyll does. The book makes it clear that Jekyll isn't even a split personality, just chemically created secret identity that Jekyll comes to believe is a different personality during a mental breakdown fueled by guilt, stress and NeverMyFault tendencies.

* The nature of his split personality. In adaptations set in the modern-day, Jekyll is usually unaware or only vaguely-conscious of Hyde, suffering from [[AlternateIdentityAmnesia split-personality amnesia]]. The book suggests that Jekyll remembers everything he does as Hyde, begins to find his own depravity horrifying and tries to dissociate himself from it. Hyde himself has unclear memories of what Jekyll does.

* SplitPersonality: An unusual example in that Jekyll ''creates'' the split personality, on purpose, in order to let it run rampant.
* SplitPersonalityTakeover: Likely the UrExample. The more Jekyll takes the potion, the stronger Hyde's influence becomes, and it gets to the point where if he dozes off or even ''blinks'' he changes to Hyde.

* MiraculousMalfunction: An "impurity of salt" is what makes the transformation from Dr. Jekyll into Mr. Hyde possible. This is what finally dooms Jekyll -- he only realizes it exists when his original salt batch runs out and the new one he orders is pure. Because the original batch is gone he can't find out what the accidental ingredient is.

* Creator/{{ITV}}'s series ''Series/JekyllAndHyde2015'' follows Robert Jekyll, grandson of the Henry Jekyll from the novel, and is set in the 1930s. It is a superhero-type show in the vein of ''[[{{Franchise/XMen}} X-Men]]'', and as such, Hyde is just one of many supernatural creatures targeted by a sinister CreatureHunterOrganization.

* ItsAllAboutMe: Jekyll invented the potion that would turn him into Hyde so he could indulge in his evil and "undignified" vices without guilt or fear of being caught. When he trampled the little girl and then later murdered Carrew, in both cases he was more upset that he got caught than that he hurt/killed someone, and measured them based solely on whether the crimes could be traced back to Jekyll's good name and reputation.

** The book is a thinly veiled metaphor for drug or alcohol addiction. In the beginning, Jekyll enjoys being Hyde, because it gives him a feeling of freedom and the means to cut loose in ways he is normally too restrained by both normal social manners and his moral compass to allow himself to do, so he more and more frequently indulges in being Hyde. But Jekyll gradually loses control over Hyde, who starts to take over his life and even eventually become the dominant persona, and the elixir goes from becoming a way for Jekyll to indulge himself to the only way he can stay "normal" for a while. Stevenson was an opium user.

* InvoluntaryShapeshifter: After months of taking the potion, Jekyll found that he was turning into Hyde without it.

* MyGodWhatHaveIDone: Jekyll, after Hyde kills Carew. After this, he stops characterizing Hyde as being a part of himself, instead attempting to distance himself from the persona by referring to Hyde as a separate entity attempting to seize control of his body.

** The book is a thinly veiled metaphor for drug or alcohol addiction. In the beginning, Jekyll enjoys being Hyde, because it gives him a feeling of freedom and the means to cut loose in ways he is normally too restrained to allow himself to, so he more and more frequently indulges in being Hyde. But Jekyll gradually loses control over Hyde, who starts to take over his life and even eventually become the dominant persona, and the elixir goes from becoming a way for Jekyll to indulge himself to the only way he can stay "normal" for a while. Stevenson was an opium user.

** The book is a thinly veiled metaphor for drug or alcohol addiction. Stevenson was an opium user.

%% * Getting Crap Past The Radar: Due to overwhelming and persistent misuse, GCPTR is on-page examples only until 01 June 2021. If you are reading this in the future, please check the trope page to make sure your example fits the current definition.

--> "...the more it looks like Queer Street, the less I ask."

--> "It was the curse of mankind that these incongruous faggots were thus bound together..."

* [[VideoGame/DrJekyllAndMrHyde Several video games]], only two of which are close to the original story. The [[UsefulNotes/NintendoEntertainmentSystem NES]] game is hailed as one of the worst games of all time and was a catalyst for ''WebVideo/TheAngryVideoGameNerd'' {{Website/Youtube}} series and ''itself'' would [[WebVideo/DrJekyllAndMrHydeTheGameTheMovie later be adapted into a short film]].

%% * GettingCrapPastThe Radar: Due to overwhelming and persistent misuse, GCPTR is on-page examples only until 01 June 2021. If you are reading this in the future, please check the trope page to make sure your example fits the current definition.

* In the ''Inspector Willoughby'' episode ''Hyde and Sneak'', the Inspector is on the trail of the famous jewel thief Vampira Hyde. However, every time he catches her, she manages to fool him by taking her magic pills and transforming into a sweet old lady.