If it has an electronic circuit or gears,Bur'r Wren thinks he can fix it; everything from holopads to starships. To Bur'r Wren, even the most random assortment of scraps from a junkyard can be used to create something useful. he has a knack for fixing things that are broken, and his confidence in this ability borders on arrogance, and if he fails to fix something, he is prone to fits of anger and annoyance.

Bur'r Wren has no home planet, at least not one that he can remember. As a child, Bur'r Wren would spend most of his time on different starships and grew accustomed to the atmosphere and nuances of space and the various crafts that traverse it. As a result, Bur'r Wren feels more comfortable on a ship than on any planet.

While generally laid back and more than happy to offer a quip of sarcasm, Bur'r Wren's entire demeanor changes once combat begins. He becomes focused and quiet, with his smile replaced with a look of grim determination.

Bur'r Wren has a military background, and draws upon his experience to tackle the obstacles in his life. This makes him decisive, efficient, and fearless; provides him with a strong sense of duty and strength; which tends to influence his ability to fight and lead. However, a rigid mind is less compassionate towards individuals and less imaginative, and Bur'r Wren sometimes risks appearing callous, relatable, or incapable of compromising.

Sometimes the only way to prepare for the worst is to always expect it. Bur'r Wren takes this philosophy one step further by never leaving home without accounting for every possible scenario he might expect to encounter. Bur'r Wren tends to always have the right tool or item for a situation and has a habit of quietly and almost smugly presenting solutions before anyone even recognizes there is a problem. This foresight is far from infallible, however, and he often finds himself at a loss in situations that go beyond what he could have imagined. While incredibly practical and often a life-saver in a pinch, his perpetually pessimistic outlook on daily life can be a bit draining on more optimistic-inclined companions.

If Bur'r Wren had been in Greedo’s shoes, Han Solo would be pushing up daisies. He almost always acts on instinct, which typically means he can be seen as impulsive and may not think his actions through, especially in situations during or leading up to combat.