Board Thread:Plants vs. Zombies Heroes/@comment-5760976-20170228204627/@comment-10857070-20170301142238

CITRONtanker wrote: Just out of curiousity, why is Crazy Dave and Dr. Zomboss on the Hero leveling pic? And what's the question mark for? Maybe to signify the plant and zombie side? Just like how they use the L:E.A.F. and that skull icon.

Either a "random" button or for a locked hero.