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.

San José, California's Slaughteruin emerged in 2024 at the black/death metal crossroads, channeling the bestial extremity that the Bay Area underground has historically produced alongside its better-known thrash and death scenes. Their name suggests total annihilation as an aesthetic and a philosophy.

Los Angeles' Slog combine the bleakness of death-doom with black metal's icy atmosphere and death metal's brutality since their 2021 formation, creating music that crawls through the darkest possible sonic spaces. Their multi-genre approach reflects LA's ability to generate extreme metal that refuses easy categorization.

Santa Paula, California band formed in 2019 that merges the aggression of death metal with metalcore structure, delivering a hard-hitting sound from the Ventura County underground.

Smoking Mirror is a death metal band from Fresno, California, formed in 2024, taking their name from the Aztec deity Tezcatlipoca and wielding brutal, technically grounded death metal with an underlying mythological darkness.