Aditheen!

Chapter One: The Weeping Angels

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Background Information:

     You may know them as only being able to send you back in time, but they can also resort to murder with violence. If you ever find a Weeping Angel, keep your guard up - it might not send you back in time. In The Time of Angels, an Angel was said to have snapped a soldiers neck.
     If sending back in time, a Weeping Angel sends the victim to the same time period. Depending on the Angel that gets you, you will get the time that that specific Weeping Angel sends every victim back to. There is no known reason for the time period the Angel sends you back to.
     The Weeping Angels have the most nearly-perfect defense system ever created. They are Quantum-Locked - they only exist and can harm you when they are not being observed. When they are seen, they turn to stone - they look like a statue. Then, because you think it's just a statue, you turn your head. Then they get you. Weeping Angels are also incredibly fast - when you just blink, the Weeping Angels can come from the other side of the room and get you. It also appears that they have some psychic abilities.
     When Weeping Angels age, they age just like a statue - wearing away, weathering & erosion if you will, over time. Don't be fooled - these Angels are just as deadly.

 

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History:
     Weeping Angels are as old as the universe, but that doesn't necessarily mean that they're the oldest (see "Rachnoss"). Formerly, they were called "The Lonely Assassins," but no one is quite sure when that term stopped. They have appeared in many places, most recently in Wester Drumlins in 2007. It is rumored that the Angels have been spotted in the space ship Byzantium. Keep in mind, this is in the future (our sources again). So you don't have to worry about it... for now.

 

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Survival:

     You may think that having Weeping Angels look at each other will freeze them for eternity, but what if someone breaks one. In the four frozen by Sally Sparrow, if one were to break, one of the remaining ones would be free. The free one could cover one of the non-free ones eyes so that one wasn't looking at the last one. If the last one turned away, then both of those would be free. Three out of four would have survived and been ready to kill and feed. There's an important rule for the Weeping Angels: wink, not blink. If you happen to have a mirror, that works, too.
     If you see a picture of a Weeping Angel,  stare at it until you can get away - pictures can become real Weeping Angels if you do not look at them. Stay away from them as much as possible.

WARNING

The Weeping Angels may be locked up for now. But that doesn't mean that they can't come back (see Background Information). Any statue could be a Lonely Assassin. They are everywhere. Also, a famous series of gravestones have Weeping Angels. Do not be fooled by these. If you ever see one, run immediately. ALWAYS BE ON THE LOOKOUT. Never believe for a second that a Weeping Angel may be fake - you have to assume it is real. Or else...

Chapter Two: Slitheen

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The Slitheen are fat, grotesque creatures that hail from the planet Raxacoricofallapitorious, twin planet of Klom. They wear special necklaces when in their natural forms, so they can fit into smaller skins. In order to disguise themselves in the human world, they skin people, generally... well, let's just say husky people. You can recognize a Slitheen being unmasked by what seems like them unzipping a zipper along the middle of their forehead. A blue light seems to glow from the inside. They have no killer powers, but are very clever- they tried to destroy the Earth twice with nuclear weapons. Oh, and they're greedy: both of those (failed) nuclear attack attempts were because they could sell the nuclear-radiated rocks on their home planet. They emit 'farts,' but aren't actual 'farts.' They smell like calcium, and are emissions from their true forms.
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If you ever encounter a Slitheen- and we sincerely hope that you don't- know this: they are very vulnerable to a certain type of acid. This acid causes a chemical reaction with vinegar. A very... shall we say explosive reaction. So make sure you have some vinegar. Or at least a pickle. You might want to take a shower afterwards.

WARNING

The Slitheen hide in more stout skins.  So if you ever encounter an overweight person who farts a lot, don't just assume they had a bad breakfast burrito. And be on the lookout if that person happens to be attracted to the subject of nuclear weapons.

Chapter Three: Cybermen

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Background Information:

Cybermen are threatening creatures. Unlike the Daleks (see Chapter Four), the yell "Delete!" before zapping you. But zapping is not their most common form of murder. Normally they kill by turning you into one of them. That's right- CYbermen used to be human. They take a human, chop out race, gender, emotions, appearance, anything. Except intelligence and hatred. They then stick the human brain into a suit and call you one of them. We most recently saw the Cybermen in 2006, when they fought the Daleks and almost took over the world. The second most common form of Cybermen, other than themselves, are humans that haven't been put into a suit. The look human, act human, they are human. But they're dead. Long dead. The Cybermen put earpods in. Although they look like a victim could just be listing to their iPod or MP3, these earpods are connected to the brain. Pull them out, and they're even more dead than they already were.
History:

First appeared in 1966. The Doctor fought them many times. They have evolved greatly since they first appeared. After they went extinct for a while, they were recreated by Dr. John Lumic in a parallel universe. The Doctor fought those, too.