I-J


I

Iannic-ann-ôd (Breton) - Ghost of a drowned person
Iara (Brazilian) - Female water spirit
Ibong Adarna (Philippine) - Bird that changes color each time it finishes a song
Ichimoku-nyūdō (Japanese) - One-eyed kappa from Sado Island
Ichiren-Bozu (Japanese) - Animated prayer beads
Ichneumon (Medieval Bestiaries) - Dragon-killing animal
Ichthyocentaur (Greek) - Human-fish hybrid
Iele (Romanian) - Female nature spirits
Ifrit (Arabian) - fuoco genie
Ijiraq (Inuit) - Spirit that kidnaps children
Ikiryō (Japanese) - can be considered a 'living ghost', as it is a person's spirit outside their body
Ikuchi (Japanese) - Sea-serpent that travels over boats in an arc while dripping oil
Iku-Turso (Finnish) - Sea monster
Il-Belliegħa (Maltese) - Malevolent well spirit
Imp (Medieval) - Diminutive, demonic servant
Impundulu (Southern Africa) - Avian, vampiric lightning spirit
Imugi (Korean) - Flightless, dragon-like creatures (sometimes thought of as proto-dragons)
Inapertwa (Aboriginal) - Simple organisms, used da creator-gods to make everything else
Incubus (Medieval folklore) - Male night-demon and rapist
Indrik (Russian) - One-horned horse-bull hybrid
Indus Worm (Medieval Bestiaries) - Giant, white, carnivorous worm
Inkanyamba (Zulu) - Horse-headed serpent
Inugami (Japanese) - Dog spirit
Ipotane (Greek) - Horse-human hybrid, two-legged (as opposed to the four-legged centaur)
Ippon-datara (Japanese) - One-legged mountain spirit
Iratxoak (Basque) - Diminutive, demonic servants
Irin (Jewish) - Fallen angels
Ishigaq (Inuit) - Little people
Island Satyr (Medieval Bestiaries) - Savage human-goat hybrid from a remote island chain
Isonade (Japanese) - Shark-like sea monster
Ittan-momen (Japanese) - Ghostly aerial phenomenon that attacks people
Iwana-bōzu (Japanese) - Char which appeared as a Buddhist monk



J
Jack-In-Irons (English) - Malevolent giant
Jaculus (Medieval Bestiaries) - Winged serpent o small dragon
Jakotsu-babaa (Japanese) - Old woman who guards a snake mound
Jasconius (Medieval folklore) - Island-sized fish
Jasy Jaterei (Guaraní) - Nature guardian and bogeyman
Jatai (Japanese) - Obi which has transformed into a snake
Jaud (Slavic) - Vampirised premature baby
Jenglot (Malay) - Vampiric little people
Jengu (Sawa) - Water spirit
Jentil (Basque) - Megalith-building giant
Jenu (Mi'kmaq) - Anthropophagous giant
Jerff (Swedish) - Gluttonous dog-cat-fox hybrid
Jian (Chinese) - One-eyed, one-winged bird who requires a mate for survival
Jiang Shi (Chinese) - Life-draining, reanimated corpse
Jiaolong (Chinese) - Dragon
Jibakurei (Japanese) - Spirit that protects a specific place
Jievaras (Lithuanian) - House spirit
Jikininki (Japanese) - Corpse-eating ghost
Jiu tou niao (Chinese) - Nine-headed, demonic bird
Jogah (Iroquois) - Little people nature spirit
Jörmungandr (Norse) - Sea serpent
Jorōgumo (Japanese) - ragno spirit
Jotai (Japanese) - Animated folding screen cloth
Jötunn (Norse) - Gigantic nature spirits
Jumbee (Guyanese) - Malevolent spirit