KO the Pokémon above!

[ReKoil]

I'm Barraskewda and I KO you by surfing over the computer you entered, short-circuiting it

 

[Delta Crowned Sword]

I am Rotom-Wash, and I wash KO you by making the water saline, and then give you example of what's the actual meaning of short-circuit is !!

 

[ReKoil]

I'm Arceus (how's that for a RNG roll lol) and I KO you by removing Rotom from existence by my decree!

 

[Fact Checking Gardevoir]

I am Cloyster, and I KO you by clamping my shell on your tail, causing you to jump in surprise and knock yourself out against your divine palace's ceiling!

 

[Delta Crowned Sword]

I am Passimian, and I KO you by throwing you away like the coconut !!

(See the animation of Passimian in Pokémon GO)

 

[ReKoil]

I'm Sunflora and I KO you with... erm... happiness?

 

[Fact Checking Gardevoir]

I am Miltank and I KO you by munching on your leaves!

 

[ReKoil]

I'm Noibat and I KO you by making you watch vampire movies and then using Bite in your neck!

 

[Delta Crowned Sword]

I am Ambipom, and I KO you by holding your both wings with my super-hands, and doing headbutt to send you rolling !

 

[ReKoil]

I'm Cufant and I KO you by dumping a load of over five tons of dirt and rocks onto you without any problem at all.
PokeDex reference =P

basically I bury you alive

 

[Alex_Among_Foxes]

I! Am a Sunkern! One of the very weakest Pokemon in existance! And I will KO you with nothing but the power of friendship! (and the brick of C4 I have strapped to my back)

 

[Delta Crowned Sword]

I am Centiskorch and I can you by either by scorching away the flower bud with Fire Fang or by showing you the power of Bug Bite; the choice is yours !!

 

[Fact Checking Gardevoir]

I am Tropius and I KO you by making you swallow so many bananas that you turn round, roll around and faint due to dizziness!

 

[ReKoil]

I'm Volcanion and I KO you by peeling a volcano size pile of onions in front of you!

 

[Delta Crowned Sword]

I am Hoopa-U and I KO you by putting you into different dimension via my Rings !!

 

[ReKoil]

I'm Iron Bundle and I KO you buy giving you bad instructions during your skiing lessons!

 

[Fact Checking Gardevoir]

I am Dottler and I KO you by conducting some electricity involving experiment on you, for science!

 

[Alex_Among_Foxes]

I'm an Espurr and I KO you with my cuteness! ^^

Spoiler:

 

[Delta Crowned Sword]

I am Hisuian Samurott and I KO you with my Sharpness of the Ceaseless Edge !

 

[Fact Checking Gardevoir]

I am Xurkitree and I KO you with a *ZAP!*