Over at the Frankenstein Place Quiz

Answer: Cyclops

Cyclops were human like in appearance, but very tall and with only one eye. There were only three of them, and they were the children of Gaea and Uranus.
In legend they were the first smiths. They worked underground and made the lightning bolts that were the weapons of Zeus. Volcanoes are believed to be the results of their underground work.

Answer: Medusa

Medusa was a Gorgon. She was once beautiful but Poseidon, the sea God, made love to her in a temple dedicated to Athena, and Athena turned her into a monster. Legend said that if you looked at her you would turn to stone. She was eventually killed by Perseus, who beheaded her. He avoided looking at her by looking at her reflection in his shield.

Answer: Sirens or Mermaids

Sirens, or mermaids as they are also known, have the body and face of a woman, but from the waist down they are a fish. They live on an island between Sicily and Italy which is surrounded by huge rocks. They sing songs that are so beautiful sailors forget their sense of direction and their ships are wrecked on the rocks.

Answer: Unicorn

The unicorn is present in almost every mythology. In some it is quite a ferocious animal, in others a gentle creature. All however agree that it cannot be caught or tamed by man, it will only come willingly to an innocent girl. The horn of the unicorn was said to have magical and healing powers.

Answer: Vampire

Vampires are people who have come back from the dead and are now immortal. They live by drinking the blood of other creatures. They can be killed by a stake through the heart, or by being exposed to sunlight. The most famous in legend and literature is Count Dracula.

Answer: Centaur

Centaurs have the face and upper body of a human and the rear end of a horse. They lived in herds on Mount Pelion in Greece, and were often depicted as hostile to humans. They sometimes behaved badly, getting drunk and trampling crops.

Answer: Dragon

The dragon is the best known of all monsters. Virtually every mythology in the world has dragon stories. In some they are good luck, in some bad luck. The standard European mythology usually shows them as a large, fire breathing, flying monster who likes to hoard gold.

Answer: Troll

In legend trolls turn to solid rock in sunlight. Even when able to move they still retain a rocky appearance, move slowly, and are always shown as being somewhat less than intelligent.

Answer: Hydra

Hydra is always shown as having the body of a serpent, large wings and multiple heads. There are never less than seven heads, although some mythologies go as high as fifty. Each head resembles a snake.

Answer: Werewolf

Werewolves can be male or female. They look like normal humans until the full moon, when they turn into a wolf. Some are much older and more advanced and can control the change to a wolf so that they can do it at will; they don't have to wait until the full moon.