Frodo Baggins -Hobbit, son of Drogo
Bilbo Baggins -Hobbit, son of Bungo
Samwise (Sam) Gamgee -Hobbit, son of Hamfast
Peregin (Pippin) Took -Hobbit, son of Paladin
Meriadoc (Merry) Brandybuck -Hobbit, son of Saradoc
Gandalf the Grey -Wizard/Istari
Aragorn (Strider)  -Man, Dunadan, son of Arathorn II
Legolas  -Mirkwood elf, son of King Thranduil
Gimli -Dwarf, son of Gloin
Boromir -Man of Gondor, son of Denethor, heir to the Stewardship
Faramir -Man of Gondor, son of Denethor
Eowyn -Lady of Rohan, daughter of Kind Theoden
Eomer -Man of Rohan, son of King Theoden
Lady Galadriel -Elf of Lothlorien
Lord Celeborn -Elf of Lothlorien
Lord Elrond -Elf of Rivendell
Arwen (Evenstar) -Elf of Rivendell, daughter of Elrond
Tom Bombadil -unknown, has been around since the beginning of time
Goldberry -River-daughter , wife of Tom Bombadil
Rosie Cotton -Hobbit, daughter of Farmer Cotton
Farmer Cotton -Hobbit
Glorfindel -Elf of the house of Finarfin
Treebeard -Ent
Quickbeam -Ent
Grima (Wormtongue) -Man of Rohan, chief advisor to King Theoden
Beregond -Man of Gondor, soldier in the Third Company of the Citadel
Gloin -Dwarf, son of Groin
Theoden -King of Rohan
Denethor -Steward of Gondor
Saruman the White -Wizard/Istari
Smeagol (Gollum) -unkown, a sort of Hobbitlike creature
Haldir -Elf of Lothlorien
Gildor -Elf of the House of Finrod
Barliman (Barley) Butturbur -Man of Bree, manages the Prancing Pony
Nob -Hobbit of Bree, servant at the Prancing Pony
Bob -either a Man or Hobbit of Bree, stablehand at The Prancing Pony
Bill the Pony -Pony, owned by Bill Ferny, bought by Samwise Gamgee
"Sting" -sword, having belonged to Bilbo and then Frodo
THE RING -Ring of power, created by Sauron
Lobelia Sackville-Baggins -Hobbit
Lotho Sackville-Baggins -Hobbit, son of Lobelia
Robin the Hobbit Shirriff -Hobbit
On these I am going by the characters in the books.
HOME