Springfield is asking

What is

cun.st?

He's almost here_

Phase 01 — Teaser

He's
coming.

Phase 02 — Imminent

He's
almost
here.

Phase 03 — Revelation

He's
a bad
wittle
boy.

The big reveal

That's it.

Sometimes the greatest mystery in Springfield turns out to be exactly this simple. That's cun.st. He's a bad wittle boy.

Springfield reacts

I don't know what it is, but I want it. I want it so bad it's making my head hurt. Or maybe that's the TV.
H. Simpson — Springfield
Everyone at the nuclear plant is talking about it. Even Mr. Burns muttered something about a cun.st during the quarterly review.
A. Bouvier-Simpson — Springfield
I don't get it. But everyone else seems to, so I've been pretending I do for about three weeks now.
B. Simpson — Springfield Elementary