Mauri Victor Leonardo Hermundsson, originally named Victor Leonardo Hermundsson, known as Mustiga Mauri, was born on October 30, 1995, in Ytterjärna Parish, Stockholm County. He is a Swedish YouTuber, journalist, and television presenter for TV4.

Mauri Hermundsson grew up in Järna. His father is from Iceland and his mother is from Germany. At the age of seven, he added the name Mauri, though it is not his official first name in the population register.