From the famous TV series Doctor Who, the Weeping Angel is a scary character perfect as a Halloween costume. The best time to wear this is at night at walk around your neighborhood making scary sounds and crying loudly.
If you want to scare the hell out of your friends, hide behind a tree dress like a Slenderman. Originated as an internet meme, Slenderman has become a cult and has been regarded as a supernatural entity.
One of the highly successful Disney animated film of the century, Frozen (2013) has many characters to choose from as a Halloween costume but Elsa is the one that will surely stand out because of its sheer beauty.
Leia and a stormtrooper from the film Star Wars. The stormtrooper is a used many times in cosplays and comic conventions but add Leia to your side, your stormtrooper costume will be as unique as everyone else.
This guy made a pixelated version of himself out of cardboards. This is an ad for Toshiba but you can definitely make one for yourself and try different styles.
The cutest dragon of them all, Toothless from the acclaimed film How to Train your Dragon. Just look at how dedicated the person who made this, it is almost the exact copy of Toothless and those eyes are just irresistible.
A fictional character from the popular Walt Disney film Sleeping Beauty, Maleficent is a perfect Halloween costume for this year because of the recently concluded film Maleficent (2014) starring Angelina Jolie.