By BGB64.

Me: So, football zombie, how is it that you used to play football and have never seen a football?

Football Zombie: Me Smash.

Me: No, that's the name of an I, Zombie level.

Football Zombie: Nyannyannyannyannyannyannyannyannyannyannyan

Me: No, that's a meme on the internet.

Football Zombie: It's over 9000!

Me: Another meme.

Football Zombie: I, Crazy.

Me: Indeed.

I press the button opening the trapdoor and making him fall in the incinerator.