Jack O’Lantern Men, also known as Will-o’-the-Wisp or Ignis Fatuus, are mythical beings or phenomena associated with folklore and legends. They appear as flickering lights or wandering flames in marshy areas, forests, or ghostly places at night. The origins of Jack O’Lantern Men vary across cultures and regions, but they are commonly associated with supernatural or mischievous entities. In folktales, they are believed to be restless souls, lost or mischievous spirits, fairies, or demons. The name ‘Jack O’Lantern’ comes from the flickering light phenomenon attributed to a mischievous entity named Jack or the use of a carved pumpkin or turnip. Carving pumpkins into Jack O’Lanterns is popular during Halloween. Jack O’Lantern Men lead travelers astray, but can also guide lost souls. They are cautionary figures, warning of the dangers of unknown or haunted areas. Jack O’Lantern Men represent the deceptive nature of appearances and remind people to be wary of following strange lights.