Marius Lucas Antonio Listhrop[4] (born 19 June 1994), better known as Scarlxrd (pronounced "scarlord"), is a British rapper and singer. He is known for his unusual musical style combining elements of trap music and heavy metal. Formerly a YouTube personality known as Mazzi Maz, Scarlxrd began a career in music as the lead vocalist for nu metal band Myth City, before debuting as a rapper under his Scarlxrd moniker.

He rose to prominence after the music video for his single "Heart Attack" gained significant attention, holding over 61 million views on YouTube as of June 2019.