The Agonist is a Canadian metal band formed in 2004 in Montreal, Quebec. Known for their blend of melodic death metal and metalcore, the band features powerful vocals, intricate guitar work, and dynamic rhythms. Their music often explores themes of personal struggle and societal issues. The band gained recognition with their debut album, Once Only Imagined, released in 2007. Over the years, they have undergone several lineup changes, with Vicky Psarakis currently serving as the lead vocalist. The Agonist continues to tour and release new music, maintaining a dedicated fan base in the metal community.