Jarno Mahlberg is a Finnish filmmaker whose distinctive style and unique storytelling have made waves in the underground cinema scene. Best known for directing the cult favorite *Night Goes Long* (2015), Mahlberg's work often blends elements of horror and dark comedy, appealing to a niche audience of collectors who appreciate the raw and unconventional. His *Shitters* trilogy has garnered a dedicated following, with enthusiasts seeking out limited releases that capture the essence of independent filmmaking. Beginning his journey in the early 2000s with a series of horror and skate videos inspired by the likes of *Jackass*, Mahlberg has evolved into a key figure in underground film. Collaborating with renowned talents such as Charles Pinion and Matt Jaissle, he has crafted short films like *Axecutioner* and *Satan Stole Our Hot Dogs!*, which are characterized by their offbeat humor and memorable visuals. Collectors hunt for his works not only for their rarity but also for their contribution to the evolution of DIY cinema.