Per 
Item SCP-M420
Object Class- safe/euclid
Special Containment Procedures:
SCP-M420 is kept in the standard Class-D cell, although it is furnished, it is just the typical call. the entity, if fed daily, promises not to harm anyone and in turn, it would just sit there in it's cell. if he were to get out, gun should be fired, this will get him to back down, with a high chance to fight back, and win.
Description:
SCP-M420, is a 26 year old, 6'3" male with shoulder height black hair, a missing eye and a dark jacket with nothing out of the ordinary visually, but despite this, he is very efficient at keeping his abnormality a secret. after his discovery, it was found that he was in the facility longer than we though he was. we had an entire squad gun him down and, put simply, he's virtually indestructible, a solid contender for SCP-682. His mobility is low, but his regeneration is on par with SCP-682 and despite this, he shows that he can very well feel pain. he comments that "he hates weapons" and yet, seems to take no notice of the weapons pointed at him during the times hes not in his cell.
Funnily enough, we didn't find it outside the containment facility rather in the early morning of ██\█\████, Dr ██████ got a knocking at his office door, he opens the door, only to find SCP-M420 standing there, an inch away from the door frame. he claimed he was "showing up to meet and greet".
interviewed= SCP-M420
interviewer= Dr ██████
an interview with SCP-M420 after containment
<Begin Log, [█/██/████]>
Dr ██████:how did you get here?
SCP-M420: simply followed the signals…
Dr ██████:signals? what signals?
SCP-M420: the cries of help…
Dr ██████: god damn it.. another "hero"
SCP-M420: i'm no hero, I was drawn here… I was watching for quite some time… I was even in
plain sight from time to time… how'd you not notice me?
Dr ██████:what?
SCP-M420: I'm not repeating myself…
Dr ██████:alright… well, I'm going to ask you some questions, if that's fine.
SCP-M420: that is fine, I'm just glad I found your facility…
Dr ██████: right, ok, are you sentient?
M420: more than sentient… I am human after all…
Dr ██████: how did you even get in here if that's the case?
M420: remember when I said that I was in plain sight, watching you? that nobody noticed me? that is my anomaly… selective viewing of any one person…
Dr ██████: thanks for that… now abou-
M420: however…if I'm angered… [he snaps his fingers and an explosion is heard nearby] I can simply erase you…
Dr ██████: alright… now, how did you get in?
M420: I reached my hand out at the wall… and I was through…
Dr ██████: you stuck your hand out… and you got in? how?
M420: well… I could ask questions about you… and your facility…
Dr ██████: I would like you to answer my question first, how?
M420: I walked through the wall…
Dr ██████:…
[entity M420-A gets up and walks towards the door]
Dr ██████: hey! we're not done yet!
M420: the time on my watch says other wise… but you can ask my friend any more questions… I'm headed back to my containment…
Dr ██████: your friend? your containment? no, get back here!
[there is a sudden thud and Dr ██████ turns back to the chair. A scream is heard]
end log
SCP-M420 got halfway to his containment before stopping still, waiting for something to catch up. His sudden stopping of motion in his body caused most of the cameras to shut down. after the entity left, Dr ██████ was found laying on the floor with non fatal scratch and bite marks all over him. he was sent to the infirmary with signs that he was not going to last any longer. a security squad was sent to go hunt down SCP-M420. The entity was in it's cell while there are corpses out side, the whole squad, decimated, decapitated and torn to pieces. SCP-M420 explained that it was his friend, his protector.
SCP-M420-1
Object Class: Euclid/Keter
special containment procedures:
[data expunged]
Description:
SCP-M420-1 is a large, skeletal figure, wearing similar clothes to SCP-M420, however, there seems to be a shining armour underneath. SCP-M420-1 follows SCP-M420 everywhere he goes, never veering too far out of his presence. It's mere presence could cause a sudden fainting or heart attack in those who aren't prepared, causing most doctors and security units to be useless upon gazing at it.
SCP-M420 uses SCP-M420-1 as a body guard of sorts, SCP-M420-1 only manifests if SCP-M420 is in imitate danger, acting on instincts, usually ending in blood.
Addendum:
as of now, both entities are sitting there, in their cell, conversating in a friendly manner, we almost forgot SCP-M420 was an SCP entirely because of his ability to act like nothings wrong. no containment breaches as of yet, however, we don't think he will try to escape. As he puts it: "no matter if the door is open to me, i'm not moving from this cell". From that comment alone, he seems very content with just sitting there, making art and enjoying the quiet.
