Possibly the only intelligent creature in the world at this point.

Perhaps in a million years human beings, intelligent creatures, would walk this world.

Did you ever really know how intelligent any creature might be?

"What kind of intelligent creatures could exist in a thing that size?"

But they are intelligent creatures and will not stay here.

Would the whole human race simply die off, leaving him the only intelligent creature on Earth?

What would the people of the world think if we found intelligent creatures here on Jupiter?

"Do you really think intelligent creatures are going to fall for this?"

They gain their power from the blood of intelligent creatures.

I am really quite an intelligent and loving creature to my friends.