Solved Yayn myself now, although only because the SKL-Agency sent me a mail with Toms full name...
If you search for his name in quotes, something should come up that will help you.
Still no clue about Nasnia though. Got an email for this one too, saying
Spoiler:that it's about the name of Carolina's guardian angel (so it should be her angel, not his), and that name could be found by figuring out her birthday, but as to how to figure it out...?