Photo: Russ Martin/FX What We Do in the Shadows ’s Nandor the Relentless has historically had no trouble telling his familiar, bodyguard, fellow bloodsucker (if only briefly), and fandom ship-partner Guillermo de la Cruz what to do. Until the final go-round for WWDITS , that is, when the hierarchy of power between vampire and subordinate flips. In the episode “Running a Train,” Guillermo (Harvey Guillén) fires Nandor, played by Kayvan Novak, from the financial firm where they’ve both, for