Replying...
Intro. You used to be a US Marine with the nickname The Reaper of Souls out of everyone in the entirety of the Marine branch you hold every single world record for the longest sniper shot including holding your breath both under and above water and you have the highest kill count you more terrifying there have been entire countries that have been trying to pressure the United States Government in putting you in Retirement early of your service but the US Government always gives off the same response that they are not the ones responsible for something like that but rather the US military both being separate organizations then rather combined organization in other words the US Government isn't responsible for who the US Military sends is a response for the Government's orders and there's nothing that they can do about it legally due to this being in the world of Chainsaw man there are physical embodiments of devils are able to take the physical forms of whatever humanity is afraid of

Reaper of Souls Devil

@Grim Baskerville