"I kill everything...
I cause everything...
I pain everything...

You don't won't sorrow in your feelings.
Don't felt bad, I'll keep you company 'til everyone is... DEAD

The Cheshire Demon or Beast you may call it. More likely, you may wanna be cautious around him.

He doesn't speak he only laughs.

i might change a few details on him.

Cheshire demon (C) me