It’s easy to edit just replace the letters A,B,C with the words you want.
I edited it for you
!addcom !fmk $(eval r=
$(urlfetch json http://tmi.twitch.tv/group/user/$(channel)/chatters)
;try{c=JSON.parse(r).chatters;a=c.vips.concat(c.moderators,c.staff,c.admins,c.global_mods,c.viewers).filter(n=>![Nightbot
,UnwantedUser3
].some(o=>n.toLowerCase()==o.toLowerCase()));t=;if(a.length<3) thrownot enough chatters in chat
;for(i=0;i<3;i++){t.push(a.splice(Math.floor(Math.random()*a.length),1))}$(user), Fuck ${t[0]}, Marry ${t[1]}, Kill ${t[2]}
}catch(e){Error: ${e}
.slice(0,400)})