Leonard (Dave Bautista), Adriane (Abby Quinn), Sabrina (Nikki Amuka-Bird), and Redmond (Rupert Grint) aren’t exactly the four horsemen we’re used to seeing: Death, Famine, War, and Conquest. Redmond, whom Eric identifies as the embodiment of malice, wears a red shirt, matching the description of War, who rides a red horse. But the other three are more like inverted versions of the traditional horsemen.
Death, perhaps the most famous of the four horsemen, is said to ride a pale horse, with some translations describing the horse as pale green or grey. Sabrina, a nurse who tends to Eric’s concussion after he’s injured in the initial fight, is identified as a manifestation of another human trait: healing, effectively the opposite of Death. Sabrina wears a pale yellow shirt.
Then there’s Leonard, the leader of the group. Eric says that Leonard represents guidance, and his white shirt implies that Leonard is an analog for the first of the four horsemen, who rides a white horse. Though some interpretations of the Bible identify this horseman as Pestilence, and that’s certainly the version that caught on in pop culture, the Book of Revelation only says that the first horseman “came out conquering and to conquer.” When introducing himself to the family, Leonard explains that he is a teacher and sports coach for young kids. It’s still the role of a leader, like the horseman who rides out first in the Bible but mirrored: instead of Conquest, Leonard represents more positive qualities of leadership.
Finally, there’s Adriane, who wears a black shirt and strongly reflects the apocalyptic figure who rides a black horse, Famine. Only instead of starving people, Adriane works as a line cook. She even cooks breakfast for Wen, leading Eric to identify Adriane as the embodiment of nurturing.