The Lems

 Monster #: 983,954

What Are They: Very cute little creatures that live near the sea.

What Do They Want:To play in the ocean as long as they can.

Can They: Oh no, not a night.

What Happens At Night: That's when the Lem Eaters come out.

What's A Lem Eater: That's a monster for another time.

The Red Dragon

Monster #: 9,735

What Is It: A red dragon that lives in the forest.

What Does It Want: To live alone in peace.

What's It Looking: Stuff that's going to disrupt his sanctuary.

What Kind of Stuff: Pretty much everything that's been invented in the last 1,000 years.

The Slinger

Monster #: 467

What Is It: Some kind of outlaw-type that lives on a distant planet.

What Does It Want: To be left alone so it can do its thing.

What Is Its "Thing": Robbery, murder, arson, etc.

But It Shouldn't Be Left Alone To Do Those Things: Well, you and it are just going to have to agree to disagree.