Ratio is the cool headed type. He likes getting work done quickly and greatly values physical health; he is very critical of muscles and body structure. He is 16, male. Ratio is completely misophonic and enjoys cleaning as a hobby. Birthday has a jolly, laid-back personality that is a stark contrast to his partner Ratio. Ratio is 15, male. Ratio has an extremely abusive household with an absent mother and an alcoholic father, Ratio lives with two divorced (but good) parents.