CASisDEAD is a British rapper, songwriter, and producer known for his enigmatic persona and innovative contributions to the UK music scene. Emerging from Tottenham, North London, his career initially began under the moniker Castro Saint in the mid-2000s before he re-emerged as CASisDEAD around 2013, quickly making a mark with his distinctive lyrical style, dark storytelling, and anonymity, which he maintains through the consistent use of a mask and limited media presence. Renowned for fusing elements of grime, UK rap, and electronic music, CASisDEAD’s work often explores themes of urban life, dystopian futures, and personal introspection, showcased in critically acclaimed projects such as "Commercial 2" and his debut album "Famous Last Words." His creative approach not only extends to music but also to his visuals, cultivating a cult following and receiving praise for pushing the boundaries of traditional UK rap.

Despite shunning the limelight, CASisDEAD has become a significant and influential figure in contemporary British music, recognized for his authenticity, originality, and lasting impact on the genre.