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All over the world, Haeckel (هيكل , Haeckel , הקל ) is quite a rare boy's forename. The first name Haeckel is characteristic of Tunisia, where it is quite a rare masculine name, Egypt, where it is a rare male name, and Saudi Arabia. Not in comparison with a country's population, the name is most common in Egypt, the Democratic Republic of the Congo, and Sudan. More prevalently, Haeckel is the last name as well as the forename.