At the very least he plays the role of a Nominal Hero Antagonist in 358/2 Days. Even Ansem the Wise gets hit with this to an extent as his exile to the Realm of Darkness made him obsessed with getting revenge at any cost. Under Xehanort's influence, all the apprentices plunged the world into darkness before forming the villainous Organization XIII.

Face–Heel Turn: Their research was supposed to protect their city of light.

When those Nobodies and Heartless were destroyed, all of the apprentices were revived as their original selves.

Back from the Dead: All of the apprentices had their hearts forcibly removed by Xehanort creating Heartless, but they also had wills strong enough to continue on as Nobodies.This was all before they lost their hearts, plunged Radiant Garden into darkness and formed Organization XIII. Not long after Ansem ordered them to stop, Xehanort led Braig, Dilan, Even and Aeleus in banishing him to the Realm of Darkness while lying to young, impressionable Ienzo about how Ansem went mad. A Pupil of Mine Until He Turned to Evil: All of Ansem's apprentices conducted covert, inhumane experiments on the heart and darkness resulting in the creation of new Heartless.Aerith and Bob: Dilan and Even are rather average names compared to how unusual the other names are.

From 3D onwards, they work together to aid the heroes in their quest. Ansem the Wise himself regrets the lengths he went in his quest for revenge. The Atoner: All of the apprentices seem to regret their betrayal of Ansem except for Braig and Xehanort.

Kingdom hearts characters naked