It’s Star Wars. Seriously.
The dragon riders are the Jedi.
The Varden is the Rebel Alliance.
Galbatorix is Darth Vader.
Arya is princess Leia.
Eragon is Luke Skywalker
Brom is Obi-wan Kenobi
Uncle Garrow gets to be Uncle Owan and Aunt Beru simultaneously.
Saphira is Luke’s X-wing.
Durza is the Death Star.