Einar Otto Wallin (born 21 November 1990) is a Swedish professional boxer. At regional level, he has held multiple heavyweight championships, including the Swedish title in 2018. Amateur career. Wallin comes from a working-class family. His father and one of his brothers boxed, and he began boxing when he was 15. As an amateur, he won the Swedish championship for beginners in 2008. There were few heavyweights available to fight in Sweden, where professional boxing was banned until 2007, so Wallin would often fight whoever and whenever in order to stay active.
https://en.wikipedia.org/wiki/Otto_Wallin