Konstantinos Koufos is one of the most viral singers, with his success having millions of views on YouTube. He started playing music as a DJ. He became widely known through the group PesronaS, which he founded with his friend  Alexandros Avlonitis  and uploaded covers of well-known songs on YouTube. In April 2015, he adapted in Greek the hit “Uno Momento” entitled “I Pio Oraia Stin Ellada” which became the hit of the year. Since today, the song has over 70 million YouTube views and is considered as the most popular video by a Greek artist with Greek lyrics. In the same year he made his first appearance on stage, next to Nikos Vertis. Each of his songs breaks records on YouTube and becomes a hit, such as “Metro Antistrofa (5,4,3,2,1)”, which is his first release under his own name and not as PersonaS, “Ta Potiria Mas Psila”, “Kentro Dierchomenon”, “Otan Se Koito, “Trelainomai”, “Gnisio Arseniko”, “Sta Kalytera (At The Best – Ovo Je Balkan)”, “Parasiromai” and “Ela Opos Eisai”. In 2016 he won the award for the best newcomer at the MAD Video Music Awards and appeared on the shows’ stage. He has also sang alongside with artists such as Sakis Rouvas, Konstantinos Argyros and Paola.