In Greek mythology the Titans were divine or semi-divine beings who, endowed with supernatural powers, were overcome only with the greatest difficulty. In later times they were identified with primitive giants.

In the Septuagint version of Samuel the 'Vale of Rephaim' (2Sa 5:16,22) is called the 'Vale of the Titans.' Here it is used in the sense of 'giants,' for the same version of Chronicles translates this name in 1Ch 11:15; 14:9 'Vale of the Giants.' Thus, in interpreting early Hebrew thought for Greek readers, the old shadowy Rephaim were identified with Titans and giants.

Similarly in the song of victory in Jdt 16:7 we read:

'For the mighty one did not fall by the young men,

Neither did the sons of Titans smite him,

Nor did tall giants set upon him,

But Judith, the daughter of Merari