Guillermo de la Cruz, played by Harvey Guillén, is a character in the television series What We Do in the Shadows.
Guillermo de la Cruz, Nandor's long-suffering Latino familiar. Despite his frustration with his unreasonable workload and Nandor's disregard for his mortality, he has served his master for 11 years in the hope of being made a vampire, a dream inspired by Armand in the 1994 film Interview with the Vampire.
Late in season one, Guillermo discovers that he is a descendant of the famous vampire hunter Abraham Van Helsing, and he proves to be very skilled at killing vampires, giving him conflicting feelings about his desire to become a vampire.
Guillermo’s skill as a vampire slayer leads to him becoming a bodyguard for Nandor, Nadja, and Laszlo at the beginning of season 3.