Simon Christensen, better known by his stage name Psymun, is an American record producer based in Minnesota. He is a member of Thestand4rd alongside Allan Kingdom, Bobby Raps, and Corbin.
He graduated from Saint Paul Central High School. He worked at a restaurant from the age of 14 to 23.
In 2013, he released a collaborative album with singer K.Raydio, titled LucidDreamingSkylines. His 2017 EP, Rainbow Party, was released on Ghostly International.