Infobox incomplete (Voice actor)
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Brother Moncrief was a religious fanatic in the Cult of the Mothman.
Moncrief wrote a note to his High Priestess while residing at Landview Lighthouse. There, he observed fireflies while they were mating. His skeleton can be found lying on a sleeping bag at the top floor of the lighthouse. His voice can be heard during the event The Path to Enlightenment.
Brother Moncrief appears only in Fallout 76.