Tom Bombadil was Treebeard's third cousin twice removed on his mother's side, and his second cousin once removed on his father's side.
Glorfindel was Arwen's superhero identity.
Arwen actually convinced Elrond to let her marry Aragorn by threatening to elope with Pippin if she couldn't have her Ranger.
Sherlock Holmes was Gandalf's persona in Victorian England.
