Dr. Zomboss (PvZ: GW)

Dr Zomboss is the ruler of all zombies. He commands the zombies to get vanquishes, set Gnome Bombs, collect orbs, take over gardens, or steal Tacos depending on game mode. He is also in Garden Ops in Waves 5 & 10 where he uses the slot machine to decide which bosses will appear. He also seems to commandeer a blimp which can be seen when playing boss mode.

Plants vs Zombies Garden Warfare 2
After the events of Garden Warfare 1, it was revealed that Zomboss contact his future self to take over Suburbia and rename Zomburbia in which various other plants and zombies come from the past or future. Zomboss also has Top Zombies which are the ones used for best defense for Zomburbia in which he also gives the player sets of quests to become a Top Zombie. The player has to talk to Dr Patient first in order to find Zomboss secret lab which he's hiding in but needs the secret door finder. But with help from Gene Error who tries to teleport the player to Plant base to obtain it. Once the player reaches his secret lab, he or she also talks him or her about knowing what it takes to be a Top Zombie with the player acknowledged, he sends him to talk to the three classes of Top Zombies first which are Z-Mech 11011-3, Super Duper Brainz, and Ol' Deadbeard which they'll give quests for the player and when all are completed they'll reward the player with a badge and has to go back to the secret lab and finally, talk to Dr Fizzician.

Trivia

 * In Z-Tech Factory, the zombot makes an appearance on this map, albeit without him controlling it.