This is seconde in the series of (planed) three artikels on characters. This one includes SPOILERS as well and the goal is still the same: To find all the characters that appear in all three books.
Characters that actualy appear:
Eragon - 16 years, Rider
Saphira - Eragon's dragon
Angela - witch and herbalist
Arya - an elf that Eragon saved, about a century old
Jörmundur - Ajihad's right hand
Nasuada - Ajihad's doughter and queen of Varden after her father's death
Murtagh - Morzan's son, latter becomes Rider
Orik - dwarf and Eragon's friend
Jarsha - a young boy that shows Eragon the way to the Council...