Matthias Oldofredi (born 4 March 1997), known by his stage name filous, is an Austrian music producer and remixer. He has released a remix for Selena Gomez' song “Same Old Love”

filous first published some remixes on YouTube and Soundcloud and thus became more popular. In 2015 he published the single “How Hard I Try” with James Hersey which reached the Austrian, shortly after the German and Dutch Charts as well as the Belgian Ultratip-Charts.