Born in Iran to Sima and John Arzani along with his brother Ben, Daniel moved to Australia with his family at the age of seven and was raised in Sydney before moving to Melbourne.
Lahir di Iran dari orangtua Sima dan John Arzani bersama dengan saudaranya Ben, Daniel pindah ke Sydney dengan keluarganya pada usia enam dan dibesarkan di sana sebelum pindah ke Melbourne.