Talk:Phineas and Ferb Lost Episode/@comment-33697604-20191214022811/@comment-39680297-20191214214855

Dude, you aren't far off. https://plantsvszombies.fandom.com/wiki/File:ZombieHD.png

If you look closely and squint your eyes at the picture, you can also see a very faint rectangle on the mouth area, indicating a Photoshopping imperfection.