User blog comment:Uselessguy/Guess Plants or Zombies in the whole series/@comment-25154254-20141024025613/@comment-5250191-20141024133732

Hypno-shroom. Other than Gargantuars, they can prevent zombies from getting killed by hypnotising them. Charged Citrons still attack the Zombot Tomorrow-tron after the level finishes. When the Disco Jetpack Zombies the Disco-tron 3000 summons get killed, the Disco-tron 3000 will summon more. Heavenly Peach gives more life to plants, making them live longer.