His face is shaped more like a newt, he doesn’t know if he is poisonous so that could imply he doesn’t know his parental heritage, Marcy said she hasn’t seen a frog his color, the other charcters close to his are Yunan, Emma the Newt, and Polly, and he is also slimmer and seems to have smoother skin than Frogs and Toads more akin to a Newt.