Curtis Hermann Gunther commonly referred to as Burrower is the youngest member of Shadow Sega, and is considered to be the most noble when it comes to interacting with other kids, and adults, he is however not the smartest, but is known to sometimes be more tougher than Hunter Regions at some occasions mostly when it comes to blade like attacks.

Though the youngest member of Shadow Sega including the last of the end robotics to be created Curtis Gunther is shown to be more mature and well more matter compared to Travis in Hunter he's also shown the know the difference between right and wrong and it would sometimes even protest Hunter and Travis his decisions even during his time as a villain he was also known to see through Shinra's lies prior to the Meteor Disaster, It was also possible that he brushed this thought aside until Sephiroth went mad leading to the Meteor Disaster, along with Shinra's dark age, this could also hint that Curtis Gunther can also underestimate people meaning that he might have thought that some of the humans of Shinra were too dumb to actually create their own clan prior to a backfiring and becoming a reality, which led to the destruction of Midgar in 2007.

Curtis Gunther also is shown to be well-mannered and is also shown to be a lot nicer than any of the other members of Shadow Sega he is also shown to have gotten along with anyone who he comes across, and even becomes generous enough to pay for damage from out of his own metal pocket, when Hunter and Travis would accidently destroy something.

Apart from being well-maintained well-mannered and also nice Curtis has also shown to display a lot more intelligence than Hunter or Travis in Shadow Sega as he is also responsible for coming up with base of new gadgets and even comes up with better plans than even Travis Hans has ever created it was never officially know how Curtis Gunther was able to a seat beside Hugh but it was mostly possible that as a human prior to becoming an antibiotic a technical genius at the time though this was never confirmed.

Unlike Travis Hans, Curtis is known to display hardly any emotion apartment Hunter Regions is the second oldest of Shadow Sega and is currently known as the most aggressive and the most ill-mannered of the trio it was stated that during the time of Shadow Sega's villainous tirade during their years at Shinra from the year 1981 to 2007, Curtis is shown to be noble, even during the years of Shinra, and even will go as far as to try and right the wrongs that were left by Hunter and Travis, which in turns would always annoy him, to the point that he often was considered the scape goat of the group by Tifa Lockheart, where he was always left behind to clean up Hunter Regions and Travis Hans.