Silent but deadly?
Word for never talks out his butt, only speaks about things he knows about, facts, have the right mindset, positive on life, etc?
Never say goodbye, doing right, I want to hit his cupcake with a mind.
Non-existant.
An imaginary friend. (Because people like that don't exist.)
I don't know the word but I know the definition of what you've described .. It would be the polar opposite of someone we all know in a current presidential election.
I agree.