an Entity references as follows:
Oleh Romanovych Psiuk (Ukrainian: Олег Романович Псюк; born 16 May 1994), also known by his stage name Psiuchyi Syn (Псючий Син – a portmanteau of his family name and suchyi syn, lit. 'son of a bitch'), is a Ukrainian rapper and songwriter, who is the founder and frontman of the rap group Kalush.