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In the world, غريغوريوس (Γρηγόριος , غريغوريوس) is a very rare boy's given name. The forename غريغوريوس is characteristic of Southern Europe, particularly Greece, where it is a rare male name.
غريغوريوس is also a popular name for the fictitious and mythical characters: Gregory House , the protagonist of the American television series House; Gregory Goyle , the fictional character of the Harry Potter series, Harry Potter and the Philosopher's Stone; Calendar Man , the comic book character, The Lego Batman Movie; Greg Universe , the Steven Universe character and Greg Heffley , the main protagonist in the novel series Diary of a Wimpy Kid, and in many other works.