In an interview with Maria Månson, Ask Hasselbalch said the budget of this film was the same amount of money that "the crew of Man of Steel (2013) had to make café latte".
The costume for the title character is the most expensive piece of costume ever produced for a Danish film.
In the book, Pelle is an obese child. However, director Ask Hasselbalch thought the story of the obese child being an outsider was overused and decided to skip it.
First Danish feature with a superhero as a protagonist.
Based on the first three books of the Antboy-series by Kenneth Bøgh Andersen. However, the story line of the second book is hardly used. It revolves around a divorce, which Ask Hasselbalch thought was irrelevant to the story in the film.