There's this petition for people who want Khrome as a new character.www.change.org/p/netherrealm-s…
While I do find the owner... questionable, I do admit a liquid metal character does sound like a nice idea. Sign it if you like.
Just don't do this i.imgur.com/YeLItWD.png
or else he won't become a character (this came from the owner of the petition).