What were the characters name in book taken by edward bloor?

You are likely thinking of the book "The Chocolate War" by Robert Cormier, not "Taken" by Edward Bloor.

The main characters in "The Chocolate War" are:

* Jerry Renault: The protagonist, a timid but determined student who refuses to participate in the school's annual chocolate sale.

* Archie Costello: The ruthless and manipulative leader of the "Vigils," a secret society that controls the school.

* Brother Leon: The stern and conflicted headmaster who oversees the school and the Vigils' activities.

* Goober: Jerry's best friend and fellow student who is often caught in the crossfire between Jerry and the Vigils.

"Taken" by Edward Bloor is a different book with a different set of characters.