The Yell-Maker was a dreadful sea creature controlled by Zog the Terrible.
Description[]
It had a round, jet-black, crab-like body. Its eyes were bright yellow balls on the ends of two horns. It had six legs, fifteen feet long with multiple joints and immense claws at the end.
History[]
Zog commanded the Yell-Maker to torture his Mermaid prisoners, but they were protected by the magic of Queen Aquareine, which ultimately destroyed the creature. (The Sea Fairies)