Allen is small with yellow eyes and black hair, along with cat ears and a tail. Allen is quite cocky and arrogant. He looks down upon everyone and is incredibly disrepectful when addressing them, be it ally or foe. He is also an extremely temperamental person, usually seeming like he is about to explode when annoyed, coupled with a constantly aggressive demeanor. Like the other members of the Freya Familia, Allen is extremely loyal to Freya.