An alien is someone or something from another place that doesn't belong here. An alien might be a person from another country, or they might be a creature from another planet.
A dragon is a kind of large reptile that does not actually exist - it is mythical. Dragons are often described as having wings, four legs and are able to breathe fire. The picture is of a dragon statue.
An elf is a mythical or fantasy creature, usually depicted with pointed ears. Elves live in forests, have some magical powers and are prone to mischief on humans.
A fairy is a tiny imaginary creature that is usually depicted as a small, pretty girl with wings. Fairies often have magical powers and can sometimes grant wishes.
A unicorn is a mythical creature that resembles a white horse with a horn in the center of its forehead. Unicorns were said to have many powers, such as being able to cure disease and purify water.
It is said that unicorns could only be captured by a virgin.
Vampires are a mythical creature which is said to exist by drinking people's blood. They are said to only come out at night as daylight can destroy them. It is also said they can only be killed by a stake through the heart, or by a silver bullet. A vampire has no reflection, so they cannot be seen in a mirror.
A witch is someone, usually a woman, that practises magic. Witches are often seen as practising bad magic that can curse people or make them sick. Some witches are good. These witches are called white witches. It is generally thought that witches can use their magic with various techniques to see into the future. A male witch is sometimes called a warlock.
A wizard can also be known as a magician or a sorcerer. Wizards practise magic, and learn their art from many years of studying books. Wizards are usually portrayed as in the picture, as an old man with a long white beard, wearing robes and a pointed hat.