Manga: Fourteen

In dystopian future, chicken slaughters you!

Fourteen is a scif-fi horror manga series by Kazuo Umezu. The manga takes place in a dystopic future, where a lump of chicken flesh from a chicken meat-growing factory transforms into a supermutant chicken man named "Chicken George". He goes on a mission to take revenge on humanity for ruining the planet.

Not to be confused with 14 by Peter Clines.

Fourteen provides examples of: