Riddles about mythical creatures

Half woman, half bird, the depths of the sea are my home. With my beautiful voice I call sailors to their doom.

        What am I?    

From afar I may appear to be a horse. But take a closer look and you will see the magical horn upon my head. What am I?

Although I’m just a tiny winged creature able to fit in the palm of your hand, I have the power to make your dreams come true.

What am I?

Most days I appear to just be an ordinary man. But when the full moon is in the sky, beware! What am I?

We have an unlimited desire to eat human flesh. Some call us ‘the walking dead’. What are we?

I’m the disembodied spirit of a person now dead. I’m stuck in this world due to unfinished business. What am I?    

I get my power from drinking human blood. Silver and sunlight are my two main weaknesses. What am I?

I come from another world. I fly around the galaxy in my spaceship.

        What am I?

I like working underground with metal. Although I’m quite short, I have the power of magic! What am I?    

I’m a fantasy being with long pointy ears. I’m so beautiful and can live for thousands of years.

What am I?