Sin Archbishop of the Witch Cult, representing sloth. He is utterly insane.
Spoiler He was later killed by Natsuki Subaru with the help of Julius Juukulius. Spoiler A hundred years earlier, Petelgeuse was a moderate, upright and rational man. He was close friends with Fortuna and Emilia, enough to be described as being like a family. However, when Regulus and Pandora attacked their village, he accidentally killed Fortuna through Pandora's power, causing him to go mad.