That is an ancient evil thought to be gone, you kill it by pleading the Lego gods for mercy and sacrificing Lego knock offs to them.
What is this creature and how do you kill it?
That’s a dat boi and you kill it by putting your waddups in the toilet.
http://s2.dmcdn.net/SmYT8/1280x720-DIC.jpg
What is this and how do we kill it?
That’s digimon and you kill it by replacing it with it’s superior, Pokemon.
What is this and how do you kill it?
it’s a weeaboo.
expose him to a woman, and watch him melt.
what is this cancer and how does one kill it?
Edit: dangit, @Chronicler.
It’s Nightmare. Hit its tornado with a stick that shoots stars.
A Vahki, Xplode, Von Nebula, and Ehlek got way to trigger-happy with the combination-gun thing from Captain Underpants and the Big Bad Battle of the Bionic Booger Boy Part Two: The revenge of the Ridiculous Robo-Boogers. Kill it by putting the batteries in backwards. How to kill it’s component parts, I can’t tell you.
What is this, and how do you kill it?
It’s a lizard-like alien with a bullet sash but no gun. You kill it by disrupting and taking control of its radio signal, pretend to be its commander and tell him that he’s a worthless soldier and should jump off a cliff to honor the army.
Who is this and how do you kill it?
It’s Drizzt Do’Urden, you kill it by revealing its Mary Sueishness.
What is this and how do you kill it?
It’s a pretentious youtube vlogger, kill it by subscribing just so you can immediately unsubscribe.
What is this and does it have X-ray vision?
That is my Grandpa, you kill it by letting it live out the rest of its days in peace.
What is this and how do you kill it?
It’s a Hero Bricktory, and you kill it with Duplo, our lord and savior
What is this and how do we kill it?
It’s broken Hau and you kill it by stepping on it in the middle of night.
What is this and how do you kill it?
that is G2
kill it by discontinuing it
what is this?
and how do you kill it?
That is a pokemans, you kill it by forcing it against its will into brutal servitude from which it will all to soon die.
What are these and how do yo make them into dysfunctional heretics?
Those are dwarves and you kill them by giving them all one slice of cake.
Who is this and how do you outsmart him?
That is an actor. You outsmart him by cutting his paycheck.
https://www.games-workshop.com/resources/catalog/product/600x620/99800113002_TauEtherealHonourBladeNEW01.jpg
What is this devilry and hau do you kill it?