Judgement is a metal band from Finland that delivers heavy, aggressive compositions drawing on the country's rich tradition of extreme and heavy music. Their work channels the intensity of Finnish metal through powerful performances and dark thematic content.

Jughead is a heavy metal band from the United Kingdom that delivers aggressive, hard-hitting compositions with a raw edge. Their approach to extreme music channels the intensity of British heavy metal and hardcore traditions.

Julien Martinoia is a French metal musician and composer with a career spanning two decades since 2003. His releases including A World I Created and The Insight demonstrate a sustained commitment to heavy, melodic metal compositions.

Junkwolvz is a heavy metal and rock band from Athens, Greece, formed in 2019 and working toward their debut full-length album. Their singles including A Blackened Star and The Monster (2022) preview an energetic approach to riff-driven heavy music rooted in the Greek metal scene.

Junky is a heavy metal band from Ireland that delivers raw, aggressive compositions with a punk-inflected energy. Their approach to metal bridges the gap between heavy riffing and hardcore intensity within the Irish underground scene.

Justinsane is a death/thrash metal band from Italy whose self-titled debut (2016) delivers nine tracks of aggressive metal rooted in heavy, thrash, and hard rock traditions. The band formed around the creative vision of Davide Carnevalini and drummer Alessandro Cimaroli, channeling their diverse metal influences into a cohesive heavy sound.