In “Punk’n Heads,” the pumpkin masks are mandatory, the identity crisis is optional

Dave Baker has a knack for making comics that feel like they’re barely holding themselves together. His books blur formats, identities, and sometimes the boundaries of reality itself. Mary Tyler MooreHawk did that through a kind of recursive media hallucination. His new book, Punk’n Heads, brings things crashing back to earth. Or at least down to the st…