Marshmello is an American electronic music producer and DJ known for his signature marshmallow-shaped helmet, which he wears to keep his identity anonymous. He rose to fame in the mid-2010s with a distinctive blend of electronic, pop, and future bass sounds. Marshmello has collaborated with many popular artists and is recognized for creating catchy, upbeat tracks that appeal to a wide audience. His image and brand are also known for being fun, positive, and family-friendly.