"They may not think the snake is the only monster in the ring."

I thought he was the only monster I had to deal with.

The only monster, as it turns out, is that mad doctor.

The only monsters that survived were the ones at the very front of the lines.

The only real monsters, in this tradition, are pride and prejudice.

To my knowledge the only real monsters were the vamps.

Cobra Man was the only monster not used in this adaptation.

He would not have been the only monster freed from captivity this night.

Zambolar is the only monster which does not die in this series.

Now we can't find anything, and people are already starting to say that that must have been the only monster.