Septimus is a feisty goblin with a good sense of humor, he plays electric guitar and gives concerts to other goblins in his world, he has messy black hair, piercings in his eyebrows and ears, Septimus likes noise, but doesn't like to be disturbed, he has an intimidating temper but gets along well with his friends, a few of his teeth are crooked but still sharp, he has a small stubble on his chin, sometimes he snores and sleepwalks at night.