Bigtime
As I remember from Genesis, the Nephilm were demi-gods (half-god, half-human). They were also sea people- more mobile than any in that static age. They were probably were the Sea Peoples of the late Bronze Age (c. 1200 BCE). The Philistines were one and left Crete for Palestine as the Hebrews arrived. Since the Titans were Greek, I would say "Yes"...