Trifonov has had a long-running feud with Ivan Kostov, which started because Trifonov thought that Kostov — who at the time was Bulgaria's prime minister — was the one who took Hushove off the air.
Ivan Turgenev | Ivan Caryll | Ivan Lendl | Ivan Vazov | Ivan the Terrible | Ivan Shapovalov | Iván Rodríguez | Ivan Reitman | Ivan Pavlov | Ivan Lins | Hurricane Ivan | Ivan Krylov | Ivan Franko | Ivan Tors | Ivan Basso | Ivan Vladislavic | Ivan Neville | Ivan Meštrović | Ivan Varichev | Ivan Sergei | Ivan Panfilov | Ivan Kostov | Ivan Galamian | Iván Campo | Ivan Stang | Ivan's Childhood | Ivan Rybkin | Ivan Pregelj | Ivan Paskevich | Ivan Olbracht |
Among hundreds of its members are former Bulgarian presidents Georgi Parvanov and Peter Stoyanov, former prime ministers Sergey Stanishev and Ivan Kostov, many politicians, IT-experts, journalists, and many others.