Daphne Henzen is one of my child characters; the two heads are natural, and the asymmetry is not just intentional in her design, but something she takes full advantage. Her two sets of eyes see slightly different color ranges, her two pairs of ears can hear different frequency ranges, and her two voices are just different enough that she can sing harmony with herself nearly effortlessly. Her species isn't very well-defined; she looks canid, for the most part, although her fur is a bright yellow-gold color, and her hair is a deep rust-color like a lion's mane (although it's a darker brownish shade on her left head).
Her T-shirt, Port Sylvan, is a souvenir she picked up in the fictional Pacific Northwest city of the same name. It's part of the larger setting she belongs to; I might explain more about that later.