In terms of culture, there are in fact at least four Janez Janšas. The man born Ivan Janša who won the recent Parliamentary elections, and may soon be Prime Minister for the third time, and three artists who changed their names as part of an ongoing prank, political action, art project and exploration of identity, copyright and more, as shown in the following documentary, with subtitles in English, Spanish, Italian and several other languages when needed (just hit CC and choose if they don't autoplay). You can also learn more about the project here, while a profile of Janša the political figure is here.