Nick krisko Pd.1
Brom- Once Eragon's uncle died Brom stepped in as a father like figure. He also doubled as his Trainer since he too was a Dragon Rider.
Galbatorix-The motivation for Eragon/The evil character in the story. Galbatorix is the "Evil King" who killed Eragon's uncle, and Eragon is desperate to find him and slay him.
Saphira- Eragon's Dragon. She plays a major role in the story because she can speak to Eragon through his head. Eragon and Saphira learn to connect during the story.