Green Carnation is a gothic/progressive metal band from Kristiansand, active since 2000, having evolved from early death metal origins. Led by Terje Vik Schei, they have become one of Norway's most respected progressive metal acts, with albums like Light of Day, Day of Darkness showcasing their ambitious, genre-transcending approach.

Greenfly is a death metal and grindcore act from Madrid, Spain, formed in 2024, delivering aggressive and groove-laden extreme music. Their sound blends the visceral intensity of grindcore with death metal's heaviness.

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Gregzeye is a death/groove metal band from Kutina in central Croatia, formed in 2013. They deliver rhythmically charged death/groove metal from the Moslavina region.

Grendelsmere is a black/death metal project from the United Kingdom, active since 2001. Named after the mere where Beowulf slew Grendel's mother, they channel Old English literary darkness through extreme metal.

Grenouer is a veteran band from Perm, Russia, active since 1993 and evolving through thrash/death metal, industrial metal, and beyond across three decades. Their genre-spanning evolution reflects one of the most adventurous careers in Russian extreme metal.

Grenouer Inc. is a death metal band from Saint Petersburg, Russia, formed in 2023 and operating as a distinct entity from the long-running Perm-based Grenouer. The project delivers crushing death metal from Russia's cultural capital.

Grenouille is a brutal death metal band from France, active since 2008. Their name — French for 'frog' — brings a darkly humorous national touch to their brutal death metal approach.

Grevia is a death metal/grindcore band from Palermo, Sicily, formed in 2019. They deliver grinding extremity from the Sicilian capital.