Made-up monsters
an orc
Photo by Cornel Zueger (CC BY-SA 3.0). Full attribution at bottom of page (1).
An orc may have green skin. It is big and strong. It is bad.
a roc
A roc is big and has long wings.
It is strong. It can pick up an elephant.
Kraken
A kraken is big. It may be as big as a ship.
It has long arms.
It can smash ships.
By Tiia Monto. Licensed under CC BY-SA 3.0
This is a squid. It is real. It can be as long as a bus.
a griffin
It is part bird and part lion. A griffin's nest is high up on rocks. A griffin might have gold in its nest!
(1) Orc photo by Cornel Zueger (GrimZombie) via Wikimedia Commons. Original photo at Deviant Art. Licensed under CC BY-SA 3.0