Krallice is an American black metal band formed by New York City musicians Colin Marston, Mick Barr, Nick McMaster and Lev Weinstein. They play an experimental, highly technical style of black metal. The band has released fourteen studio albums and three EPs, most recently the LP Mass Cathexis 2 - The Kinetic Infinite on December 1, 2023. They have been described as "one of the most interesting, engaging black metal bands to emerge in recent years" and "one of the most important bands in modern black metal".

Colin Marston is an American record producer and musician residing in New York City. He graduated from New York University with a Bachelor of Arts degree in music technology in 2004, and owns Menegroth The Thousand Caves Recording Studios in Woodhaven, Queens while not on tour with one of a number of bands. He is also known for his performances in Behold... The Arctopus, Dysrhythmia, Krallice, and the reunion lineup of Gorguts. Marston has produced, mastered, and mixed music for artists such as Imperial Triumphant, Cleric, Genghis Tron, Kayo Dot, Jarboe, Capillary Action, Origin, Panopticon, Altar of Plagues, Liturgy, Pyrrhon, and Orthrelm, as well as for his own bands. Marston is multi-instrumentalist; he plays guitar, bass and keyboards.