Per 
ITEM: SCP-5120
Object class: Keter/appolyon
Special contaiment procedures: SCP-5120 is being kept in a 10m x 10m contaiment cell with 3 CCTV cameras and a door. All CCTV recordings and audio recordings can only be viewed by O5/Administrators/researchers assigned to SCP 5120 and any other authorised personel.
Description:SCP 5120 is a 1.7 meters high humanoid capeable of running 189 hours on speed of 2km a 20 minutes. The subject shares the same DNA as SCP-096 and SCP-3199. Subject was found in year 1999 after escaping in Russia. The subject seems to be an a prisioner who were participating in the Russian sleep experiment. In case of an a contaiment breach Every personel must be evacuated and SCP 5120 must immidiately be contained by the [REDACTED] MTF team. Chaos insurgency's biggest aim by Dr.Bright is "To Let the Russian Sleep nerd out of the contaiment". SCP-5120 Is currectly moved to an a Site in Croatia/Dalmatia/Split. The site SCP-5120 is moved to is SITE-[DATA EXPUNGED].
All D-CLASS testing with SCP-5120 Oftenly because of SCP-5120's gas become SCP-5120 species and then they become re-clasfied as SCP-5120 species known as SCP-5120-1 SCP-5120-2 and SCP-5120-3. SCP-5120 species are terminateable and after testing always are terminated by MTF teams or Security Department.
LOG:1: Dr.Aljinović: Send D-9341 and D-3880 Inside SCP'S 5120 contaiment cell now.
Guard Michael. Junior: Get in!
Guard Michael.Jr: Closing Door…..
Dr.Bright: Oh, D-9341 and D-3880, it just wants to do a burping competition with you!
Dr.Aljinović: Bright, Could you please focus for once?
Dr.Bright: Ok, ok, Im done.
Dr.Conwell: I will be viewing on cameras and monitoring the situation closely.
(D-CLASS personel become SCP-5120-1 and SCP-5120-2)
Dr.Aljinović: Terminate it!
Guard Michael.Jr: Target Terminated.
