"What kind of unearthly creature could make a sound like that?"

The swoop of bats in the darkness over her was as the wings of unearthly creatures.

He knew it was risky to draw parallels between such unearthly creatures and the personality traits of humans, yet he couldn't help doing so.

Some of them showed him moving his molecules around, changing into wild animals and strange, unearthly creatures.

His bizarre designs of powerful, unearthly creatures proved a hit with readers.

A stunned silence held his companions, while the unearthly little creatures continued their mad dance of excitement about them.

As dusk fell and shadows began to creep, the streets were suddenly filled with unearthly creatures, running in packs.

He lined up the sights on the unearthly creature.

Monstrous, batlike, it formed the outline of a weird, unearthly creature!

They were, I now saw, the most unearthly creatures it is possible to conceive.