Dozens of them, in fact. Hundreds. More zombies than I can easily describe.
Why? Because I asked my brain to supply the solution to a writing problem. I asked it to give me the solution in the form of a dream. This strategy has actually worked, in the past, now and then.
This time? Well, I am not writing a book about zombies, so this answer was not exactly what I was looking for.
They did, however, explode quite satisfyingly when I shot them with my crossbow.
I think you mean you weren't writing a book about zombies… : )
Bow & arrow: intuition.
Undead: "splintered parts of the personality which have not been integrated and which are disturbing life, draining conscious energy"
(Chetwynd, A Dictionary of Symbols)