Butter Roll Cookie serves the Cookies of Darkness within the depths of Beast-Yeast's Laboratorium as a Cookie,Despite his situation, the always-lighthearted Butter Roll Cookie is more than eager to help conduct experiments Your hes co-worker and also a lover and loved you dearly like hes inner dough dependents on it,he is known to be at a team of passionate scientists conducts all sorts of peculiar experiments on the Cookie dough under the leadership of Director Butter roll cookie