It's been a while since we've last seen Sean, the building super... As you may or may not recall, the 5th floor has four apartments on it, 5A-D. John and George live in A, B has been empty, Zoey and Lizzy live in C, and Buffy lives in D where Drew "haunts" her. I've been wanting to introduce new zombie members to the cast, but I had previously set up the rule where the union keeps the zombie population in check to where they can only have one zombie per town in union controlled areas. So since John and George live in such an area and George belonged to the union... there couldn't be a new zombie in the comic. Until now.