WParasites in fiction
WAlien (creature in Alien franchise)
WBaby Blood
WBrain Damage (film)
WBrood (comics)
WCarnage (comics)
WClover (creature)
WCreature (1985 film)
WCreature Tech
WThe Deadly Spawn
WDestoroyah
WAnimorphs
WAnimorphs
WFlood (Halo)
WGravemind
WGreat Intelligence
WGrowth (film)
WHeadcrab
WHedorah
WIllithid
WJoint-eater
WMetroid (fictional species)
WMUTO
WNemesis (Resident Evil)
WNight of the Creeps
WCassandra Nova
WParasite (1982 film)
WParasite (comics)
WParasyte
WPhalanx (comics)
WResident Evil 4
WScream (comics)
WShivers (1975 film)
WSlither (2006 film)
WSplinter (2008 film)
WStarro
WStrange Blood
WSymbiote (comics)
WThe Thaw (2009 film)
WThe Thing (1982 film)
WToxin (comics)
WAnti-Venom
WVenom (Marvel Comics character)
WAnimorphs
WAnimorphs
WAlien (creature in Alien franchise)
WAnimorphs
WSymbiote (comics)