History WesternAnimation / Felidae

** Pepeline was black and white in the book. Here, she's a Russian Blue.

** These are some ''smart'' cats, able to perfectly understand humans, read, and work a computer. It's mentioned, however, that all of these things take some time and practice to learn, and some cats don't bother learning anything past human speech. [[JustifiedTrope This intelligence is kind of required for a murder mystery, anyway.]]

* SexoPhone: Used during Nhozemptekh's introduction (otherwise known as the "cat sex scene"), and is quite appropriate for her enigmatic, mysterious nature. A feline femme fatale [[spoiler:very literally, considering most that encounter her don't live to tell the tale.]]

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* AmbiguousDisorder: According to Francis, his owner is mentally defective, but it's unclear exactly how true that is.

[[caption-width-right:350:It's FilmNoir....with cats!]]

* ArcWords: The title is brought up in conversations a couple of times. [[spoiler: including the name of the breeding/genetics program Claudandus is running.]]

* ArtStyleDissonance: For a movie with extreme violence and a rather jaded tone, the art direction is pretty cartoonish.

* IsThatWhatTheyreCallingItNow: When Francis uses the term "fornication" to note the similarities between Sascha and Deep Purple's deaths, Bluebeard replies, [[DeadpanSnarker "Back in my day, we use to call it screwing."]]

* ApocalypticLog: In the book, Francis finds Preterius's journal from when he first started his project in the house to the last moments before [[spoiler:Claudandus ripped his throat open]], with a full chapter made up of its contents. It started out normally enough, with Preterius seeming genuinely determined to help all of mankind with his research, though even at the start, showed signs of having [[TheyCalledMeMad a chip on his shoulder towards the upper echelons of the scientific community.]] But failure after failure, losing funding and assistants, self-centered paranoia and falling into alcoholism left him as a deranged, pitiful excuse of a human being with nothing to show for his work but the blood of countless cats on his hands.

The story of ''Felidae'' centers on a male cat named Francis as he and his owner, Gustav (nicknamed "Gus" by Francis), move into a new home of unknown location. Upon investigating his new home, Francis not only meets the sarcastic Manx stray named Bluebeard, but he also encounters the body of a murdered cat (as Bluebeard points out, it's the fourth murder that occurred in the past few days). It's not long until Francis begins to unravel the mystery surrounding the murdered cats, a strange cult known as the "Claudandus Sect", and the meaning behind the enigma known as "Felidae."

* LastOfHisKind: Eight [[spoiler:the lynx.]] He was part of a group brought from Canada to Germany to help boost the native population, but with their normal food source no longer available to them, the group quickly dwindled from starvation and being shot after they attacked livestock in desperation. It's possible that a few of them survived, but Eight has no clue where they are and has resigned himself to being alone for the rest of his life.

* SecretKeeper :
** [[spoiler: Joker. Who is well aware about the truth behind Preterius and his experiments, that Claudandus is alive, responsible for the murders, the reasons behind 'em and his other identity. He even willing accepts dying at the teeth of Claudandus to keep the secret safe when Francis starts closing in on him.]]
** In book two, this role is filled by [[spoiler: Ambrosius, who is fully aware that the Wild Ones are the murderers. He even aids them by pretending to be the Black Knight and drawing suspicion away from them.]]

** [[spoiler:Alcina]], in yet another parallel to [[spoiler:Felicity]], also only shows up alive once.

** The books imply Francis is a tabby (though [[RetCon later books would backpedal on this]] [[RetCanon and make him bicolored just like the movie]]) in the books, but bicolored in the movie.

* MoralDissonance: Felicity says that "humans are the kindest creature there is" in the same space as "Claudandus was viciously tortured by humans." The break between these two realities is at the center of the book's plot. It also points out the irony of Felicity's views on humans considering it's heavily implied that she is blind due to humans experimenting on her in the past.

* MasterRace: [[spoiler: Claudandus/Pascal believes that the only superior life forms are "the wonderful, mighty Felidae", and that others are "stupid and victims of their fate."]].

** Claudandus is the Latin for "he who must be closed". [[spoiler: Closing him - [[BodyHorror literally]] - was what Preterius was trying to do]].

* MotiveRant: Quite a lengthy one, in which [[spoiler: Claudandus details how HumansAreBastards, and why he created [[MasterRace Felidae]] in order to overthrown humans.]] This is more prevalent in the book.

* NecessarilyEvil: [[spoiler: Claudandus]] sees himself as this, stating that [[spoiler:"I was forced to kill, Francis- I had no choice- to preserve the racial purity that this new Felidae required."]]

* MirrorCharacter: [[spoiler: Claudandus in regards to the humans he hated. Becoming a monster like Preterius and killing those that would have ruined his breeding program.]]

* NotSoDifferent: [[spoiler: Claudandus in regards to the humans he hated. Becoming a monster like Preterius and killing those that would have ruined his breeding program.]]

* TragicVillain: [[spoiler: Claudandus/Pascal. He starts out a friendly Havana Brown and is then subject to continuous, agonizing experiments by Preterius, eventually turning into his StartOfDarkness]].