duty to make sure that the performers are never left alone without an adult and to "create a team atmosphere amongst the [performers] and to develop their experience and a sense of community." The table below lists all Executive Supervisors of the Junior Eurovision Song Contest since the first edition (2003): Junior Eurovision logo and theme The former generic logo was introduced for the 2008 contest in Limassol, to create a consistent visual identity. Each year of the contest, the host country creates a sub-theme which is usually accompanied and expressed with a sub-logo and slogan. The theme and slogan are announced by the EBU and the host country's national broadcaster. The generic logo was revamped in March 2015, seven years after the first generic logo was created. The logo was used for the first time in the 2015 contest in Sofia. Slogans Each contest since 2005 has had a slogan, chosen by the host broadcaster. Based on the slogan, the theme and the visual design are developed. Participation All active member broadcasters of the EBU are permitted to take part in the contest, though the contest has been broadcast in several non-participating countries. Participation in the contest tends to change dramatically each year. The original Scandinavian broadcasters left the contest in 2006 because they found the treatment of the contestants unethical, and revived the MGP Nordic competition, which had not been produced since the Junior Eurovision Song Contest began. The is the only country to have taken part every year since the first contest in 2003. 40 countries have competed at least once. Listed are all the countries that have ever taken part in the competition alongside the year in which they made their debut: Winning entries Overall, twelve countries have won the contest since the inaugural edition in . Five have won the contest once: , , , , and the . Six have won the contest twice: , , , , (the first, and so far only, country to win back to back) and ; while is the only country to have won three times. Both Croatia and Italy achieved their wins on their debut participation in the contest. Interval acts and guest appearances The tradition of interval acts between the songs in the competition programme and the announcement of the voting has been established since the inaugural contest in 2003. Interval entertainment has included such acts