Once a Villain

Once a Villain is the ninety-fifth episode of Ben 10: Alien Justice Force.

Air Date
December 8, 2017

Plot
Kevin's story of how he became evil, and started working with Vulkanus. And Kevin decided to get revenge on Vulkanus for hurting an old friend of his.

Characters

 * Ben Tennyson
 * Metrogirl
 * Gwen Tennyson
 * Kevin Levin (Main Character in this Episode)
 * Elena Validus
 * Violet Witch
 * Kyle Tennyson
 * Alan Albright
 * Cooper Daniels
 * Helen Wheels
 * Manny Armstrong
 * Pierce
 * Mariella Daniels
 * Kai Green
 * Crypto
 * Quince (in flashback only)
 * Kwarrel (in flashback only)
 * Argit (in flashback only)
 * Devin Levin (in flashback only)
 * Emma Levin
 * Gorgelius Levin (Kevin's little brother is 11 years old)
 * Janelise Levin (Kevin's little sister who is 9 years old)
 * Crys (Kevin's friend who is a petrosapien and got shattered into pieces by Vulkanus 8 years ago)

Villains

 * Harvey Hackett (in flashback only)
 * Vulkanus (presumly deceased after falling off a cliff)
 * Sunder (in flashback only)

Aliens used

 * Diamondhead
 * Fourarms
 * Swampfire
 * Lodestar/Ultimate Lodestar