Oluwafisayo Isa (born 19 September 2001), known by her stage name Darkoo, is a British-Nigerian rapper and singer. She was born in Lagos, Nigeria, moving to the UK at the age of 7.  and being raised in South London. She attended St Catherine's Catholic School for Girls. She came to prominence following the release of her single "Gangsta", featuring One Acen, which peaked at number 22 on the Official Singles Chart, and peaked at number one, on the UK Afrobeats Chart of 2020.