Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25468432-20141219232629/@comment-5204503-20150109143351

I wonder what the boss is?

Note: The Zombot Mastodonotron is a possible choice, but it was from the old Ice Age, so it may not be.

My guess is either that, or Zombot Frosty the Snowbot?