Brendan Angelides, formerly known by his stage names Eskmo and Welder, is an American electronic music producer and composer. Angelides has composed scores for film, television, and videogames. In 2024, he was nominated for a BAFTA Award for his score on Ubisoft's Assassin's Creed Mirage. Television series include the entire seven seasons of Showtime's Billions, Showtime's Superpumped, Netflix's 13 Reasons Why and Netflix's Echoes. Most recently, Angelides co-composed the score for Darren Aronofsky's Postcard From Earth, alongside his collaborators in the Echo Society, which is showing for two years at the Las Vegas Sphere.