@thepurehistory on Instagram: "Marshmello’s mask has become one of the most recognizable identities in modern music — a simple white helmet with black X-eyes that turned into a global brand. He first introduced it in 2015 as a way to keep the focus on the music and maintain some mystery, but it quickly became a marketing powerhouse. The mask allowed him to play festivals, do interviews, and collaborate with artists without ever revealing his face, giving fans a character to rally around rather t