Reptilian humanoids comprise a common motif in mythology, folklore, science fiction, fantasy, conspiracy theories, ufology, and cryptozoology.
Reptilian humanoids in world mythology include:
Boreas (Aquilon to the Romans): the Greek god of the cold north wind, described by Pausanias as a winged man with serpents instead of legs.
Cecrops I: the mythical first King of Athens was half man, half snake
Dragon Kings: creatures from Chinese mythology sometimes depicted as reptilian humanoids
Fu Xi: serpentine founding figure from Chinese mythology
Glycon: a snake god who had the head of a man.
Ningizzida, Lord of the Tree of Life, mentioned in the Epic of Gilgamesh and linked to the water serpent constellation Hydra.
Shenlong: a Chinese dragon thunder god, depicted with a human head and a dragon's body
Sobek: Ancient Egyptian crocodile-headed god
Suppon No Yurei: A turtle-headed human ghost from Japanese mythology and folklore
Tlaloc: Aztec god depicted as a man with snake fangs
Typhon, the "father of all monsters" in Greek mythology, was a man from the waist up, and a mass of seething vipers from the waist down.
Zahhak, a figure from Zoroastrian mythology who, in Ferdowsi's epic Shahnameh, grows a serpent on either shoulder
Echidna, the wife of Typhon in Greek mythology, was half woman, half snake.
Enchanted Moura from Portuguese and Galician folklore appears as a snake with long blonde hair.
The Gorgons: Sisters in Greek mythology who had serpents for hair.
The Lamia: a child-devouring female demon from Greek mythology depicted as half woman, half serpent.
Nüwa: serpentine founding figure from Chinese mythology
Wadjet pre-dynastic snake goddess of Lower Egypt - sometimes depicted as half snake, half woman
The White Snake: a figure from Chinese folklore
Some djinn in Islamic mythology are described as alternating between human and serpentine forms.
Nāga (Devanagari: नाग): reptilian beings from Hindu mythology said to live underground and interact with human beings on the surface.
The Serpent: a character from the Genesis creation narrative occasionally depicted with legs, and sometimes identified with Satan, though its representations have been both male and female.
Kappa: Turtle-like humanoids from Japanese mythology and folklore.
Purported reptilian humanoid cryptids include:
The Cherufe in Chile
The Lizard Man of Scape Ore Swamp in South Carolina, United States
The Loveland Frog (or Loveland Lizard), in Loveland, Ohio, USA
Jake the Alligator Man, a sideshow gaff in Long Beach, Washington, USA
The Thetis Lake monster in Canada
Flatwoods monster (referred to as the "Lizard Monster" on the March 10, 2010 episode of MonsterQuest)
In ufology and conspiracy theories
Reptilians appear in some claims of alien encounters and in the conspiracy theories of David Icke
Lemurians, reptilian humanoids in the writings of Helena Blavatsky
The dinosauroid, a hypothetical reptilian humanoid conjectured by palaeontologist Dale Russell
Other speculated sapient dinosaurs
A wide range of fictional works depict reptilian humanoids.
Dracs from the Enemy Mine series by Barry B. Longyear.
Evra Von from Darren Shan's "Saga of Darren Shan"
Hork-Bajir from K. A. Applegate's Animorphs
The Lady of the Green Kirtle from CS Lewis's The Silver Chair
An Unnamed race from H.P. Lovecraft's The Nameless City - later Cthulhu Mythos tales have named these the Valusians or simply "serpent people".
The Race from Harry Turtledove's Worldwar series
Serpent men from the works of Robert E. Howard (also in the Marvel universe)
Yig, the serpent god from HP Lovecraft's Cthulhu Mythos.
Yilané from the novel West of Eden by Harry Harrison
The Creeps and the Snake Lady from the Goosebumps franchise.
Draconians
Foamasi
Homo reptilia (Silurians and Sea Devils)
Ice Warriors
The race of Malaka is a race of reptilian-like humanoids, very similar to the Litts, who serve in non-combatant positions (doctors and surgeons) of the Galactic Frieza Army.
The race of Ginyu Force member Burter is a race of tall reptilian humanoids of varying skin colors whose race at some point in history, became integrated members of the Galactic Frieza Army.
The race of Toobi is a race of reptilian-like humanoids who serves in the Galactic Frieza Army.
The race of Frieza force soldier named Blueberry are a race of reptilian (more specifically crocodile-like) humanoids.
Cardassians
Gorn
Jem'Hadar
Voth
Tosk
Xindi-Reptilians
Cobra-La, and Cobra Commander from the G. I. Joe series
Chase Young from Xiaolin Showdown
Drakh and Narn from Babylon 5
Lizard Man from He-Man and the Masters of the Universe
Lizardman Phantom from Kamen Rider Wizard
The Lizardmen from Sir Arthur Conan Doyle's The Lost World
Scarrans from Farscape
Sleestaks from Land of the Lost
Slithe and his fellow Lizards from ThunderCats
Snake Men, from Masters of the Universe
Unas from Stargate
Visitors from V
The Culebra from "From Dusk till Dawn: The Series"
Zafiro from Disney's Gargoyles, red-skinned snake-bodied gargate, with two humanoid arms and feathered wings, reminiscent of Kukulcan in Mayan myth and leader of his gargoyle clan
Badoon, another hostile alien race
Chitauri, alien shapeshifters from the Ultimate Marvel universe.
Lizard, an enemy of Spider-Man
The Lizard Men of Subterranea
The Lizard Men of the Savage Land
The Lizard Men of Tok from the Microverse
Sauron, an enemy of the X-Men
Skrulls, an alien race of reptilian shapeshifters
Slither, a snakelike mutant and ally of Magneto
Stegron
Copperhead, some versions
Gordanians, a species of alien reptilian slavers
Killer Croc, an enemy of Batman
Llarans
Psions
Henry Phage from the Mr. Hero comics from Tekno Comix
Kleggs, alien mercenaries in the Judge Dredd universe.
The Teenage Mutant Ninja Turtles, and their ally/foe Leatherhead
Treens from Dan Dare
Tyranny Rex, reptilian artist in stories published in 2000AD.
Dracs from Enemy Mine
Thulsa Doom from Conan the Barbarian
Trandoshans from Star Wars
Roleplaying and strategy games
Argonians, a race in The Elder Scrolls series
Bangaa, a race in the game series of Final Fantasy
Drell, a race in the Mass Effect series
Iksar, a race from the EverQuest franchise.
Lizalfos and Daira from the Legend of Zelda series.
Lizardmen from the Warhammer fantasy tabletop games.
Naga from the Warcraft series.
Reptites from Chrono Trigger
Saurians from Risen
Dinaurians from Fossil Fighters and Fossil Fighters: Champions
Dungeons & Dragons
Kobolds
Lizardfolk
Saurial
Troglodytes
Yuan-ti
Bowser from Super Mario Bros. (King Koopa in the TV Series)
Espio the Chameleon and Vector the Crocodile from Sonic the Hedgehog
Lizardman, a character from the Soul series of fighting games
Locust Horde, the primary antagonists in the game franchise Gears of War
Reptile, Chameleon and Khameleon from the game Mortal Kombat
Riptor, a character from the fighting game Killer Instinct