I don't see why we can't discuss multiple possibilities, love the discussion so far.
Gaffer Gamgee is a good one. Tolkien identified himself as a Hobbit, and also like Bilbo. I don't know if he would accept any of the Sackville-Baginses, nor Ted Sandyman, perhaps Odo Proudfoot?
mark, hey as found out by the Tolkien society, Tom's two other names (
Forn and
Orald) is the anagram...
For Ronald.