Frank is a Feizao, a soap-based squirrel Gootraxian. He has mint green colored fur, with a lighter shade of teal for his underbelly and lower section of his tail. A darker shade of teal is found on the ends of his limbs and upper section of his tail as well as the insides of his ears and his eyes. He has a prominently fluffy body, given the poofs of fur on his head and chest. He is 26 years old. He has a twin brother named Felix, who is a Fashui.