L
Lamin 
  baskian. Nightghost with Chickenfeet, if the Farmer put out Food 
  on the Borders of his Farm by daylight, 
  the Lamin came out at night, eat the Food and work on the grounds.
  Similar to the female Lamin are the male Maide 
Lei-Kung
  ( Earl of Thunder)
  He is a chinese Thunder-god and civil-servant ond the Ministerium of Thunder
  in the Gods bureaucraty. Pictures show him, with the Beak, Wings and Claws
  of an Owl, and he hold a drum, that he hit with a Hammer. 
Lechies
  He is an russian Wood-Demon with a human torso and the abdomen 
  of a buck.
  They lead wanderers with fake voices into their caves and tickle them to death.
  ( Its maybe similar to the Greek Satyr) 
Limba
  He is one of the Haitian loa, believed to live among the rocks. 
  He has an insatiable appetite and persecutes and kills people, and eat them. 
  Even his own devotees are not safe from his hunger. 
Ljubi
  (Albania)
  She is an albanian female demon in shape of a tail, and likes to
  eat the meat of little children and dries up the water until a virgin is sacrificed 
  to her..
   
Lliannan-She
  Of the Isle of Man, there appears sometimes a spirit friend, 
  a female fairy who waited to encounter men. If one spoke to her she followed 
  him always, but remained invisible to everyone else. 
 Lugat
  (Albania)
  The Lugat is an Death-Ghost and was formerly an bad ( evil) Human
  Every he leaves his grave and visit his relatives! Except Saturdays