'''Basic Trope''': A character who resembles an animal in appearance, biology and behavior.
* '''Straight''': Doug is caninoid with pointed ears, fur-like hair all over his body, claws and a fierce loyalty.
* '''Exaggerated''': FunnyAnimal.
* '''Downplayed''': LittleBitBeastly.
* '''Justified''': In the {{Sliding Scale|Of Anthropomorphism}} this is classified as borderline Beast Man.
** The work is set AfterTheEnd when humans are long extinct and dogs have taken over as the dominant species.
** Humans took dog DNA and placed them on an alien planet.
** [[NuclearMutant Radiation]], a FreakLabAccident, or {{Genetic Engineering|Is The New Nuke}} caused an ordinary dog to mutate into one.
* '''Subverted''': Doug turned out to be a human using prosthetics and a deep understanding of caninoid behavior to pretend to be a Beast Man.
* '''Double Subverted''': ... except he's actually not a human, it's just that many millenia of cross-breeding have caused him to lose his canine features.
* '''Parodied''': Doug is just a guy in a cheap dog suit who doesn't even act dog like, but everyone treats him as if he were an alien.
* '''Enforced''': The story is set in space or a HighFantasy realm, and either FurriesAreEasierToDraw or it's just easier to modify existing animals instead of coming up with completely original designs.
* '''Lampshaded''': "If you're an extraterrestrial, why do you look like a dog?"
* '''Discussed''': "Poor Doug, his species has millennia of rich history and everyone just refers to him as the alien dog guy."
* '''Conversed''': "Why is it that all the intelligent species in this video game resemble Earth animals?"
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