Parasite
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parasite (disambiguation)for other, similarly-named pages.
A parasite was a species which acquired sustenance from a host organism, usually at the host's expense. The Doctor encountered several parasitic life forms in his travels.
Parasitic species
- Oraapi
- Werewolf
- Kroton (species)
- Family of Blood
- Mighty Jagrafess of the Holy Hadrojassic Maxarodenfoe
- Krynoid
- Nimon
- Wirrn
- Gelth
- Gorgon
- The Beast (The Taint)
- Torajii
- Axos
- Mayfly
- Sarricoid
- Weed creature
- Time Beetle
- The Swarm (The Invisible Enemy)
- Gastropod
- Water Hag
- Ambition Parasite
- Scourge
- Vrall
- Droon
- Alien tapeworm
- Tactire
- Cerunnos
- The Flood (The Waters of Mars)
- Tumour alien
- Kiseibya
- Space Leech
- Mozhtratta
- Eknodine
- Psychic pollen
- Process
- Kera-Bera Beast
- Thought-form
- Aranjia
- Psionovore
- Magelnian Twort
- Qetesh
- Spulver worm
- Maker (Halflife)
- Ruin (species)
- Kyrolian
- Vampire
- Harmonelid
- Drill fly
- Lapino (species)
- Parasite (Submission)
- Brainspawn
- Silent
- Silhouette (species)
- Fearmonger
- Parasite (The Parasites)
- The Diadem
- Hellion
- Serfian
- Datavore
- Sou(ou)shi
- Arr'Chorrs
- Leech
- Iagnon
- Jalaphron
- Akhaten
- Red leech
- Shroud
- Threckon
- Speera
- Remoraxian
- Gulwort
- Pyralis
- Viruses
- Zaksyn
- Nurazh
- The Light (1963: The Assassination Games)
- Sild
- Wishing Beast
- Brain-worm
- Zalphon
- Bacchanite
- Species (Overture)
- Xenomorph
- Cerebravore
- Extron
- Nemonite
- Gaderene
- Fracture
- Nathemus
- Slinth
- Elysium parasite
- Harmony Shoal
- Dream parasites
- Forsaken
- Rempath
- Arn (species)
- Dryad
- Hirudine
- The Fat
- Thrake
- Emissary of Drakka
- Parasite (Love Rat)
- Thrusk
- Ichneumon wasp
- Cortex leech
- Spore (Iceberg)
- CEREBRA
- Red Entity
- Fuath
- Plant (Plant Life)
- Sentient book (Consequences)
- Dyzeps
- Now (species)
- Strid
- Dord
- Golem (The Art of Destruction)
- The Squall
- Krynoid (Lost in Time)
- Somlos berry
- Human
Metaphorical parasites
The term "parasite" was sometimes used to describe persons who exploited others. Vicki called the Animus a parasite. (TV: The Web Planet) Mehendri Solon called the Time Lords "spineless parasites". (TV: The Brain of Morbius) The Fifth Doctor called the Eternals parasites. (TV: Enlightenment) The Eleventh Doctor called the Great Intelligence a parasite. (TV: The Snowmen)
