Cletus. It is one of the ugliest names.
Humphrey,
Rudolph,
Seth,
Abner,
Eustace and
Enoch don't need to return as far as I'm concerned.
Hepzibah is not my cup of tea. I am not a
Delilah fan, but it has already become popular.
Some names like
Ermengarde and
Barnabas are so clunky that, despite not liking them, I would be fascinated if they made a comeback.