He is purple-haired and muscular; and appears wearing a Viking helmet and black overalls despite being a Haos Brawler.
Atla's parents died early and so he has to raise his siblings by himself. He is generally a kind person but during battle he is unforgiving to his enemies. Despite his tough physique, he easily tires out, often saying "~mou" just like a cattle. His gigantic Bakugan may have overwhelmed Harubaru at first but the latter manages to defeat him.
His shooting skills are "BakuTech Lift Bone" and BakuTech "Foot Matador."
His first person pronoun is "Watashi" and his second person pronoun is "Omae."