User blog comment:Frodo the 9 fingered/A Third Camp?/@comment-118.208.174.182-20120731065552/@comment-108.36.70.200-20120731221929

However, even when Percy and Jason have their memory wiped, they still called the gods by their Greek and Roman names respectively. When Jason gets to Camp Half-Blood, everyone finds it odd that Jason is calling them by their Greek names. No one else is ever mentioned like that (someone with no memory and calls the gods by their Roman names). Also, there is always the risk of them breaking through the Mist or regaining their memory.