Synonyms for hobgoblin

I hardly know what sort of creature or hobgoblin to call them.

Why, Clifton, you imagine that he's a hobgoblin—a sort of wild child of the Highlands.

The colonel eyed the wreck of the hobgoblin with satisfaction.

I am not a hobgoblin, though I may pose as one now and then.

It was really a fish; but it was also a hobgoblin, nightmare, and ooze-croaker!

It suggests a theatrical “property,” not the hobgoblin of old belief.

The hobgoblin is one of the widest-spread forms of fairy belief.

Why, were he demon or hobgoblin, he could not stand alone against many.

The second hobgoblin will be there, a mighty Ghost of valor.

May we not have the precise height of this hobgoblin, in inches and fractions?