Aon Langton or Langton’s dragon is… a dragon. Although created before Aon Pooltoy, he’s not my primary fursona. Although Aon Pooltoy is based on him, it’s a separate entity. Lore wise, Aon Pooltoy was intended as a corporate employee gift.
The name “Langton’s dragon” is an afterthought. Langton named his ant. Langton’s ant. That sounds lame, why not Langton’s dragon? Well, it’s more so silly: Langton’s dragon is Aon Langton. There’s a word for this; I just don’t know what it was.