Yes, this is another installment in the list of things about really terrible movies that probably shouldn't bother me but do.
The Roman boy that Clive Owen and his trusty band of hairy and oddly-accoutered friends must save is named "Alecto." Alecto, or Allecto, is one of the Furies. Who are, if unfairly, personified as women.
So it's not just that he has a girl's name. It's also one of the worst possible girl's names ever. Who thinks, when he has had a son, "Aha! I will give him the most ill-omened name I can think of, and in case that isn't bad enough, I will also make him gender-confused?" No one, that's who.
Don't get fancy. Just name the kid Marcus or something. Or some doofy early Christian name. Steer clear of the Eumenides.