Plants vs. Zombies: Garden Warfare/Easter eggs

There are a lot of Easter eggs in Plants vs. Zombies: Garden Warfare, they will be listed here.

Slenderman Easter egg
It can be found in the woods in Zomboss Estate. An update was added to him in the Tactical Taco Party DLC where he got eaten by a Chomper.

Minecraft Easter egg
In Jewel Junction, a poster with a TNT block on it can be found. It's near where the train is.