Board Thread:Plants vs. Zombies 2: It's About Time/@comment-26185616-20150305174327/@comment-24860884-20150312065949

SnowPea360 wrote: Is it really "pet" zombie or "hero" zombie? I was going to ask you why you quoted it, but nvm.

From what I can tell, "Pet" is more popular. I think Wikia-wise, "Hero" is a little more popular, however.