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In all the world, Martellus (Martel
, Martil
, Martelo
) is quite a rare mostly boy's, but infrequently feminine first name. The forename Martellus is habitual in the Democratic Republic of the Congo, where it is quite a rare masculine name, Jamaica, and Morocco, where it is quite a rare epicene name. Measured by absolute frequency, the name is most common in the Democratic Republic of the Congo, the United States, and Morocco. More frequently, Martellus is the last name as well as the forename.
Martellus is also a name for the fictitious and mythical characters: Martel , the operatic character in the opera Troubled Island; an old man.