The Predator! come on he's the toughest extraterrestrial there is. They've hunted everything in the galaxy,have highly advanced technology,they are biologicly more advanced then man,spacejockeys,and xenomorghs.have perfected space travel and will stop at nothing to get it's prey's skull as a troughy.
No man,commando,colonial marine can defeat
me.No predator hunter,super predator,bad blood predator can stop
me.No alien warrior,Queen alien,predalien can kill me...I AM THE GALAXYS ULTIMATE HUNTER!