James Leusink, better known by his alias Ephixa, is a Canadian electronic music producer who lives in Ontario, Canada. He is best known for his viral "Charlie Sheen Bi-Winning" dubstep remix, remixes of music from the Legend of Zelda franchise as well as various other remixes and original electronic music. Leusink peaked at #11 on Billboard's Next Big Sound chart in November 2011. Ephixa is also known for the first ever single released by Canadian record label Monstercat, "Dubstep Killed Rock 'n' Roll".

Monstercat is a Canadian independent electronic music record label based in Vancouver, British Columbia.