Per 
CAPTION-GOES-HERE
Item #: SCP-666666
Object Class: Keter
Special Containment Procedures: SCP-666666 is to be let out of it's cell at all times unless there is a containment breach it seems to be able to teleport on command, stepping through black portals that he can make appear and disappear all guards are to keep a eye out for SCP-666666. SCP-666666 is very anxious around others and will attack if feels threaten. SCP-666666 is to be given head pats if it is attacking anyone… it seems to be cat like in behavior
Description: SCP-666666 is a construct composed of unknown substances, he claims to be made of void and abyss and is not from this reality. SCP-666666 is also non-gender and is facially resembling of a human teen male. SCP-666666 has pure black eyes that can have pupils if they so desire. SCP-666666 is roughly 4.5 feet tall and wears a black hoodie and sweatpants, as mentioned earlier it seems to be able to teleport on command, stepping through black portals that he can make appear and disappear, again, guards are to keep a eye out.
Addendum: SCP-666666 suffers from anthropophobia and is highly anxious around them but seems to slightly change in mood when with very deadly scps
