He was an unnatural creature; it was not reasonable to expect him to act naturally.

Her poor father, now - he always said that a woman who liked books better than beaux was an unnatural creature.

She wanted to destroy the unnatural creatures, wiping them from the face of Gwynneth.

It had become an unnatural creature, stripped of its instincts and made dependent upon humans.

She is an unnatural creature from the mist worlds.

There was agate fire in the eyes of that small and suddenly unnatural creature.

He has an unnatural creature with him that can see, and speaks to him silently.

I will thank you to keep that unnatural creature silent.

The Doctor learns that the man's name is Griffin and he wants to collect the unnatural creatures in the city.