YES! Rooster Fighter is a rooster that kills Kaiju for revenge!
RF2.jpg
RF1.jpg
Watch what he does to a ship-sized Kaiju with his resonance wave and Giga Drill Rooster!
Now, this manga is only at 5 chapters so there is surely more to come! So at this early stage, how far can Rooster Fighter(Fighting Rooster?) get in Attack on Titan?