WOW! most of the titles I can think of would probably get me 'dissappeared' because they would be saying unpleasing things about my dear and beloved president O^o
revenge is good, gunhead is good, in my world it is still screaming out for something LOUDER...
peace + revenge + gunhead = close
how about "peaheagun"
nahh...
I know
"pacifist revenger"?