asisdead, also known as cas and formerly castro, is a uk rap/grime mc, producer, visual director, entrepreneur from tottenham, london. The rapper is of ghanaian and english descent.

Casisdead is the owner of the label imreallydead, through which he releases his own music. He began rapping in 2005 under the name castro saint,[2] a moniker he kept until 2007. In his first spell in music, castro made no music videos.