Lutheran Barnett

Lutheran Barnett was the Assistant Principal of Midgar Academy for Dark Knights and a member of the Cult of Diablos,while working in the cult he assumes the identity known as "Thin Gentleman".

Appearance
Lutheran was a middle-aged man. He had black slicked-back hair with grey streaks. In the light novel, he has a beard.

Personality
Lutheran has shown to be a humble man. He has a close relationship with his stepdaughter, Sherry. He always tried to support her in her activities and pushes for her to interact with others. This is later proven to be a facade as Lutheran is a power-hungry and pitiful person, only wanting to regain his peak in power and is manipulative, using Sherry and her late mother as means to an end. He takes pride in killing of Sherry's mother which even disgusts Cid.

Background
Lutheran Barnett used to be a knight who participated in the Goddess of War tournament until reaching the Zima, but to his misfortune, he became seriously ill and had to retire. With his strong desire to return to glory, he began to search strongly for a cure for his disease, and in his search he met Sherry's mother, who was a brilliant scientist and a genius at deciphering ancient things and languages, since then he began to work with her under the guise of helping her in her work, she found an artifact called the "Eye of Greed", which was an artifact capable of sucking and accumulating magic from its surroundings.

Barnett, upon learning of this, tried to use it, but Sherry's mother said that the artifact was too dangerous to use and that she wanted to give it to the Kingdom for her confinement. Upon knowing this, Barnett sadistically murdered her without Sherry knowing who killed her mother. After the funeral Barnett took Sherry in as her daughter to continue her mother's work without her knowing, at some point after that she met and joined the Diabolos cult to further achieve his goals. .

Midgar Academy Terrorism
Lutheran and Sherry Barnett are visited by Iris Midgar and Alexia Midgar. Iris gives Sherry an artifact belonging to the Order of Diabolos and asks her to decipher the text on it. Lutheran encourages her to do so, stating its a rare opportunity.

Later, he sees Sherry having a chocolate and she explains a boy gave it to her. He tells her that its hard to obtain such good chocolate, so the boy must really like her and she must consider well what she will reply.

Under the identity of a Thin Gentleman, he ordered his henchmen of the diabolo cult to commit misdeeds throughout the kingdom of Midgar while claiming to be from the Shadow Garden, so that this organization would earn the contempt and enmity of the world.

When the attack on the academy began, he ordered Rex to go find the catalyst for the Eye of Greed, but he didn't count on Rex being quickly killed. When they manage to get the attention of the gloomy garden, Barnett disguised as the thin gentleman, sneaks to the room where he worked and then meets Cid who tells him that he already knows who he is, Bernatt is surprised and praises Cid for his perception. Cid asks why he decided to abide by the academy and bernatt replies that he did everything to reach the top he once was, confessing to Cid all his misdeeds, as well as the murder of Sherry's mother as well as the manipulation of Sherry, Cid He tells him that despite all this, he didn't know how to answer him after hearing everything, but he tells him that even if it's a little bit, it bothers Cid, which causes Bernatt to hurt him with his sword and thinking he's killed Cid, Shadow appears. and Bernatt prepares to use the Eye of Greed with its full potential and acquires immense magical power, dispelling his disease, who prepares to kill Shadow, but seeing that even with all the magical power he has, he is not able to After killing him, he tells Shadow that he will fail because he already devised the plan so that the world despises him and his Shadow garden organization, but Shadow tells him that that doesn't matter to him, because they will continue on the same path they choose, since for more then Shadow prepares to kill Ber natt telling him to kill him the same way he killed Sherry's mother, Bernatt dies and discovers that Shadow is actually Cid.

Powers & Abilities
Even with the disease that he had, Bernatt showed to have enough strength and ability to deal with a normal magical swordsman, a magical teacher and magical student of Midgar but in a regulated way so that the disease does not do more damage, which is said that in his normal state has the strength of a second son of the diabolos cult.

Lutheran was highly skilled in both swordsmanship and magic. However, his illness makes him very weak. By combining the Eye of Greed and another artifact, he was able to cure his disease and regain his powers in a way that was too great to last for a short time, though Shadow made no effort in the fight they had, in the end Lutheran dies at the hands of Shadow while he realizes who is true.