A lot of the names are people who Betray others
Symbolism will be their downfall
Dooku - Betrayed the Jedi, went to dark side.
Severus (Snape) - Betrayed Voldemort, told of his plans
Huck (Finn) - Said he would kill his guardian Miss Watson
Juules - (Jules) in Pulp Fiction possibly betrays Marvellous Wallace in the end and keeps his briefcase
Roger (Chillingworth) - The Scarlett Letter - Wife cheats he seems revenge and prays for misfortune on wife's adulterer