Djape is the pseudonym of Predrag Stanojevic, the guy behind www.djape.net website where various numerical puzzles are published regularly: Sudoku variations (mainly Killer Sudoku and Samurai Sudoku) as well as Hanjie, Kakuro and others. My puzzles are being published worldwide, in many newspapers and magazines, including The Washington Post and Le Matin (Swiss) and others in Greece, Portugal, Denmark, Norway, Finland, France and the UK.