However, the Boogeyman seems to take notice of Thomas' need to check under the bed for batteries to charge the flashlight, so sometimes the Boogeyman will hide under the bed. So this lets him making some, otherwise all of the environmental lights shut down except the flashlight, the Boogeyman can also manipulate the weather, making it rain or snow to distract Thomas even more, the weather also causes noise which makes it harder for Thomas to hear the Boogeyman, the only thing the Boogeyman seems to fear is the flashlight Thomas has, which used to belong to Alicia, backing away and closing any entrance he was attempting to open before he was hit with the light with a shrill whisper, the Boogeyman fears light so much that even if he is not looking at the light and the light hits a arm or hand he will back away.

He is also very smart and intelligent, as he quickly learns to get quieter and quieter each night and uses Thomas' toys as distractions, the Boogeyman can also learn how to manipulate electricity. The Boogeyman takes pleasure from stalking, haunting, killing and mentally torturing little children. In Boogeyman 2, The Boogeyman has gone through a massive redesign now featuring reddish fleshy skin, pitch black teeth and claws, yellow eyes, and now has long black hair that goes to his shoulders, he also now wears a black trench coat and a black hat. However, the updated version of the first game gives him lighter skin a gapping mouth of sharp teeth and a more angrier expression rather than a grin. The Boogeyman takes the form of a black humanoid creature with long sharp claws, white glowing eyes, toeless feet, a skull-like nose and twelve razor sharp teeth, when the Boogeyman attacks from under the bed he has pitch black pupils with no visible irises.

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