Darby is a deer boy with a shy and skittish demeanor. Though, despite this anxiety, he is often passionate and defensive over logical issues. He is ten years old, and acts accordingly to this age. He has brown fur with various white accents, and blue eyes. He has a somewhat rectangular frame. He will often be wearing nothing but a t-shirt and diaper around the house. He wears this diapers due to never having gone through proper potty training. He isn't particularly ashamed of his diapers.