Frodo

In one of Tolkien's fictional languages, Westron, Frodo's name was Maura Labingi--which means Nine-Fingered Frodo. Frodo was his 'real name' just like John would be someone's real name in England, regardless of being called Jose in Spain. In another of Tolkien's languages, Sindarin, he was called Iorhael (ior meaning 'old' and hael meaning 'wise') Of course, I have to believe that most people would have sense enough to realize that naming a child 'Frodo' in this culture would mean sentencing that child to a lifetime of teasing. Although some of Tolkien's names, I think, are usable, Frodo's name needs to be left to its original owner. As for hamsters, I'm not sure why it would be required for that hamster to be any particular color or fur type to have the name. I think it would do for a pet of almost any kind just fine.

It's strange, in "The Lord of the Rings" Tolkien at one point mentions that hobbit-maids are usually named after flowers and names ending in "o" are considered to be feminine. Yet, the main characer, Frodo the hobbit is male and his name ends in "o".

Tolkien changed the original name 'Froda' to 'Frodo' so it would seem masculine to modern English speakers.