In Gravity Falls, people love Halloween so much that they celebrate it twice a year. Therefore, they also have Summerween holiday, which is celebrated on June 22. On this day, instead of pumpkins, watermelons are decorated at home. And the Summerween Trickster monster walks the streets and eats children who are not inspired by the spirit of Summerween. Scary cursor with Summerween Trickster and Jack-o'-melons from the animated series Gravity Falls.