Prospero's Spirit — Disney's Little Mermaid (5)
I believe the answer is:
ariel
I believe this clue is a double definition.
'prospero's spirit' is the first definition.
(I've seen this in another clue)
'disney's little mermaid' is the second definition.
(I've seen this in another clue)
(Other definitions for ariel that I've seen before include "role in Shakespeare" , "Shakespearian sprite - Uranus satellite - gazelle" , "Arabian mountain gazelle" , "Moulding round top of wall" , "Would 'e rail against the spirit in The Tempest?" .)