Los Angeles's Skorched pull from thrash, death metal, and hardcore in equal measure — a crossover-minded trio active since 2017 that reflects the city's long tradition of genre-blurring underground acts where pit culture and riff weight converge.

Sacramento's Skribble began in 2000 at the height of nu-metal's commercial peak, blending those chunky, down-tuned grooves with death metal's aggression — a trajectory that saw the band shed the radio-friendly angles in favor of darker, heavier material over the years.

Fresno's Skull Incision have been active since 2010, working in the ugly overlap between death metal, grindcore, and sludge — a combination that makes for short, punishing tracks coated in downtuned filth and California Central Valley grime.

Los Angeles grind-death outfit Skullsmasher formed in 2018, bringing a no-frills collision of death metal heaviness and grindcore speed to the Southern California underground. The band traffics in short, explosive material designed to overload the senses rather than reward patience.

Slam Andreas are a Santa Barbara, California slam death metal band formed in 2024, taking their name as a geological joke that doubles as a statement of intent — heavy, seismic, and low. They work the brutal death and slam intersection with an eye for punishing breakdowns and guttural extremity.

Slamadeus are a Palmdale, California band formed in 2021, marrying the brutality of slam death metal and deathcore into music that treats heaviness as both punchline and end goal. The name is a sly classical reference that belies a sound built entirely on low frequencies and blunt force.

Slamily Guy are a San Diego, California slam death metal band formed in 2025, weaponizing a pop-culture name mash-up as the vehicle for entirely unironic brutality — guttural slams, downtuned riffing, and the full vocabulary of the genre. They are part of a younger generation of slam bands treating the form with both reverence and a sense of humor.

A brand-new act out of Citrus Heights, California, Slaughtered Jehovah launched in 2025 with the kind of blasphemous name that signals a death metal band operating in the genre's most aggressively anti-religious tradition. Their Sacramento-area origins place them in a region with deep roots in underground metal.

A Los Angeles thrash metal band formed in 2018, this Slaughterhouse draws from Southern California's rich thrash heritage — a lineage that runs from the Big Four's influence through decades of LA underground bands keeping the genre's speed and aggression alive.