From the Eyemaze, the makers of the GROW series, comes PelPet.

"PelPet climb down a ladder.
You can put or take the crossbar and go down and down and down.

As Pelpet goes down and down, he becomes faster and faster with a proud look.
So you should get item such as the speed down one, and moderate his temper.

If you get 50 coins,special items would be appeared.
The pearl equals to 5 coins, diamond 10 coins.
Please try the special items utility!"

http://www.eyezmaze.com/eyezblog_en/...0.html#monster