* ''{{Babe}}''
** Farmer Hogget names Babe Pig for the sheep-herding competition. Everyone's in stitches, thinking it's a dog named Pig, until he actually shows up.
** Also applies to the name "Babe" itself. According to Babe, it's what his mother called all her children; that is, she called her babes Babe.
* Draco the dragon in ''Film/{{Dragonheart}}''. Given a droll lampshading.
* [[JohnWayne Jake's]] dog in ''BigJake'' is named Dog.
* ''Film/ETTheExtraTerrestrial''
* A rare human example: Kid the kid in ''Film/DickTracy''. By the end of the film he chooses the name "Dick Tracy Jr." but is still called "Kid" out of habit.
* ''Film/ShotgunStories'' is centered around three impoverished brothers living in rural Arkansas called Son, Boy and Kid. Their father was an abusive drunk. After he got sober and found religion, he fathered several more sons with normal names.
* In ''KungPow'', the Chosen One's pet dog is humorously named Dog.
* In ''TheTenthKingdom'' there's Wolf. Though he's a human/wolf hybrid.
* In ''Film/PiratesOfTheCaribbeanOnStrangerTides'', the holy man names the mermaid "Serena" which comes from the same root word as "Siren". You know, the creatures from the Odyssey that are [[SirensAreMermaids often depicted as mermaids]]. In fact, in some languages, the word for mermaid is spelled almost the same (e.g. "sirena" in Spanish, "sirčne" in French...).
* ''TheRoadWarrior'' has Max's dog, named Dog. This was also the name of the dog actor.
* The Aliens from the ''Franchise/{{Alien}}'' franchise. The closest they have to an in-universe name other than "Aliens" is "Xenomorph", which means "Alien form". In ''Film/AlienResurrection'', Call refers to the species as "Aliens", both in talking to Ripley-8 and when calling them to attack the villain over the intercom.
** In the comic book spinoffs, they're sometimes referred to as "''Linguafoeda Acheronsis''", but that probably doesn't count.
* In ''Film/CowboysAndAliens'', nobody bothers to give the dog that follows Lonergan around a name. Except Emmett, who calls it "Dog."
* ''Basement Jack'': "You named the dog Dog?"
* Turned on its head with ''{{Tarzan}}'''s pal Cheetah, the ''chimp''.
** ''GeorgeOfTheJungle'' plays it straight with an ape named "Ape", however.
* The sequel to ''Film/ThanksKilling'' revealed the killer turkey's name is Turkie.
* Holly in ''Film/BreakfastAtTiffanys'' has a cat called Cat.
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