Berstuk Stark

Berstuk (or commonly known as "The Bone Trousle") was a member of the White Fang. His weapon of choice was a prototype weapon. He is currently in prison.

Appearance
The Bone Trousle has a notable muscular appearance, even with his clothes, and short green-brown hair. He wears a long black trench coat, black gloves, gray pants and black boots with white shoelaces. Most of the coat is covered with white metallic armor, giving a look of a Grimm, covering his shoulders, ribs, arm, chest and part of the back.

He also wears a custom grimm mask that covers his whole face.

As for his faunus traits he has bear claws.

Personality
He is most of his time serious. Self-confident of his actions. Loyal to the White Fang. Without doubting about what he's doing for them. Being perfectly trained to even be a good replacer for a Lieutenant.

During a fight his other emotions are excitement for face an opponent, even laughing a bit if this one actually still stands.

Backstory
Born in the outskirts of the City of Mistral, the son of two already members of the Old White Fang. His childhood was a bit difficult and unhappy because the transition of the Faunus Rights Revolution.

His parents had divided thoughts related to the path which the WF was taking, in the end, Berstuk remained with his mother, who was following the New White Fang. As for his father, he ran away before it was too late.

At his twelve years he already had experience with weaponry, melee and fireguns, being Light Machine Guns his favourite.

As his twenty he became an Officer of the White Fang in Mistral, being recognised by the own Lieutenant for all that Berstuk has being doing for the group: Leading an assault to a Schnee Dust Company facility. He had to lead one of the three vanguard lines after one Lieutenant get hit.

Four years later, being the one and only "Weapon Tester", the WF showed him a modified prototype weapon, weapon that after being tested by others, he was the only one who could controlled without too much problems.

During the timeskip, he get the order to neutralise an intruder who sneaked in the facility to probably steal the weapon. The Bone Trousle in response wrapped in a "Goliath", picked up the weapon and faced the student Zéfyr Raiu. The result was a failure, Berstuk was knocked out and part of the weapon was stoled.

When he woke up it was too late, the weapon was unfuctional, and the Mistral Militia was already in the building. Berstuk remains in a prison of the Mistral Region.