Brendan Angelides, formerly known by his stage names Eskmo and Welder, is an American electronic music producer and composer. He has released music on the record labels Interscope, Ninja Tune, Planet Mu, and Warp Records. NPR's Bob Boilen described him as "part musician, part magician". to introduce his 2015 Tiny Desk Performance.

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.