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In the world, Grelo (Grelo , Грело , Gryllus ) is a very rare mostly masculine, but uncommonly feminine first name. The forename Grelo is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare largely masculine, but uncommonly girly name. More prevalently, Grelo is the last name as well as the forename.
Grelo is also a name for the fictitious and mythical characters: Gryllus , the mythological Greek character, Bruta animalia ratione uti.