When Homer finally accepts his destiny and returns to St. Cloud's he has to assume a new identity that Larch created for him...what is his new name?

Larch created a long and thorough history for a person that didn't exist anymore. Fuzzy was an orphan who had died when he was a child. Dr. Larch covered up that fact so that he could make Fuzzy a doctor and Homer could become Fuzzy. When Homer returns he is then on known as Dr. Fuzzy Stone so that he can replace Dr. Larch and continue his work.