Tankman's diary.

MY Tankman's backstory.

So, I feel as though I need to get this outta the way because it's starting to get confusing.

This Tankman is self-aware and has the power to save, reset, create and delete. He is a little less powerful than Shaggy but it would be a fair fight.

He comes from a universe where the corruption took place and everyone got it, in this universe Hatsune Miku, Tankman and a few other survivors managed to find a cure for it and save everyone. In his universe the same thing happened except... they didn't find the cure.

Miku was corrupted.

Monika was corrupted.

Senpai was corrupted..

CS was corrupted... (OC btw. Not mine.)

Everyone failed to stop it, Tankman didn't know what to do but he started to notice he was getting corrupted. He immediately traveled universes and to avoid confusion, ended this ones original. 

Then, he acted as though this universe was his own. However he's still partially corrupted, when he gets really depressed or angry it starts to show and could possibly even take over.

It has shown itself twice, and all it wants is power.

That is why it kills.