Changelings

[A child believed to have been secretly substituted for the parents' real child in infancy.]

See: Chimera  Reptoids

Jim Morisson also sang
''I'm a Changeling
See me change..''
In the song The Changeling by the Doors


The devil steals a baby and leaves a changeling behind, early 15th century, detail of "The legend of St. Stephen" by Martino di Bartolomeo


Jolie

Changelings, The