Time lords are regenerating aliens with two hearts from the planet Gallifrey. The Doctor in Doctor Who travels in a Tardis, which stands for Time and Relative Distance in Space.

Greek myths feature a variety of half-animal humanoid monsters. These include the minotaur, half bull, the siren, half satyr, half goat, and the scylla, half hydra.

During the events of the chamber of secrets, the sword of gryffendor is used to slay the basilisk, who had been petrifying studends and ghosts in the school. It is then also used to destroy the first horcrux of voldemort

The legend of Zelda follows our protagonist, Link, through many iterations of his life, where he always meets with the Hylian Goddess, Zelda to defeat Ganon, who wields the triforce of power.

In Star Trek 3: The Wrath of Kahn, while overseeing the training of new Starfleet recruits, two members of Kirk's team are held hostage by the infamous Khan, who Kirk never believed he'd see again.

Snakes are the actual worst. From the serpent tempting Adam in the garden to the frightening apophis who attempts to eat Ra every night, up to and including Jormangandr, the world serpent, the only beast capable of killing the mighty Thor.

Lightsabers are the preferred weapons of jedi and sith alike, coming in four (or six) distinct canon colors: Blue, for jedi who are more capable combatants, green for those more in tune with the force. Purple is for those can use both light and dark side force abilities, and red is for the sith, who can only use the synthetic crystals in their sabers.

Bowser, Mario's first and greatest enemy, also known as King Koopa, has attempted to kidnap Princess Peach of the Mushroom Kingdom no less than 17 times.

The terrible events in the small town of Hawkins, Indiana begin in the year 1982, with the disappearance of Will Byers. Transported to another world by the monster, later called Demogorgon, he communicates to his mother using christmas lights, and is located by the psychic child named Eleven.

The most common understanding of the wendigo is quite the misconception. Typically, the idea of a wendigo is a humanoid cannibal monster who started as a lost hunter, forced to madness after consuming human flesh, but the more accurate story is that of a shapeshifter who harasses and torments people who trespass onto lands where they have desecrated or insulted the surrounding nature.

Depending on which story is being told, Arthur gets his fabled sword excalibur from a lady in the lake, or from pulling it from a stone. Either way declares him the true king of England, wihch leads to all the familiar stories we've come to know and love, with Lancelot, Guinevere, Gawain, and Perceval.

Some villains just won't stay down. Every mainline Sonic game features Dr. Robotnik, every Metroid game features the Metroid, and every Fallout game features super mutants and ghouls.

"Droid" is a catch-all term for an extremely diverse array of sentient robots, ranging from the small and boxy MSE-6 "Mouse" droid to the humanoid E-3P0. Originating with the ancient Rakatan empire, droids are older than the Jedi order itself.

Ghosts come in many shapes or sizes. Poultergeists can interact with physical objects, Wil o Wisps are small orbs that lurk near woods or fields, and set fires when disturbed. Finally, restless spirits are said to linger in a location or tied to an object of great importance in life, unable to leave until their unresolved issues are resolved.

Prince Adam wields the Power Sword, a magiteck artifact allowing him to transform into the powerful He Man to defend the universe from threats like Skeletor. His twin sister, Adora, uses a similar sword, called the Sword of Protection to transform of into She-Ra. Each also has an activation phrase. He Man says "By the power of Grayskull," while She-ra says "For the Safety of Grayskull"

"Mystery Science Theater 3000" is a show devoted mostly to mocking old, public domain films, but it does have a thin framing device: Joel, a janitor is trapped against his will aboard a giant bone-shaped spacecraft. Two mad scientists force him to watch these movies in exchange for food and fresh supplies of oxygen.

Dragons vary from culture to culture. The most prominent mesoamerican dragon, Kukulkan, or Quetzlcoatl, was a wind creator diety. Western dragons, like the one of Beowulf legend, breathed fire and hoarded treasure. East Asian dragons were typically depicted as water guardians, Finally, african dragons like the ouroboros were more metaphorical, like the ouroboros, which later came to represent the study of chemistry.

After finding three greatswords in the troll cave, Bilbo and company return to Rivendell, where Eldrond reads the runes naming two of them: Orcrist and Glamdring. The third is not given a name for being unremarkable, but is later named by Bilbo, to be Sting.