Who is the third dragon rider in the inheritence triology?

The Current Dragon Riders Are:
  • Eragon and Saphira
  • Oromis (now dead) and Glaedr (now his eldunari)
  • Murtagh and Thorn
  • Galbatorix and Shruikan


The last dragon egg will hatch in the last book. It is going to be Roran, Arya, or Orik.