Must-see: Hilarious 'demon baby' sonogram goes viral

"Is there such a thing as a prenatal exorcism?" Redditor -wao joked. 

"The 4th dimension is the spiritual plane where demons live," wrote eucalyptusmacrocarpa.

"As a man whose fiancée is 8 months pregnant, all I could do was laugh, because there's always that one ultrasound photo that makes you regret many, many things," added user AlanJameson.

"Good enough," he wrote. "No chance of demon pictures."