music: Category: Finish The Song Line: Say what you will, but I'm a _.?

Questions

frodo, gandalf and bilbo baggins are all characters from what?

squid, octopus and cuttlefish are all types of what?

what word links these three, base, room and basket?

japheth, shem and ham were sons of which biblical man?

cheyenne, navahoe and arapaho are all what?