Jarno Mahlberg is a award-winning underground filmmaker from Finland. They are best known for as the creator and director of Shitters trilogy and non-budget horror short films like Axecutioner and Satan Stole Our Hot Dogs!

They started video making in early 2000 with various horror and Jackass inspired skating videos. Since 2014, Jarno has been making short films, acting in various mainstream and independent projects and worked with legendary underground names like Charles Pinion and Matt Jaissle.