Caballucos del diablo- "devils small horses" would appear out of smoke and fire.
Chupacabra- resembling a gargoyle, said to attack livestck and suck their blood.

Colombian creatures

Basa-juan : ogre of the basque woods named "lord of the woods" known to trap and torture humans. But also known to be mischievous.
Bicha- depicted as having a body and head of a bull but the face of a man