Yumi has apricot skin, blue eyes, and short light purple hair that she styles into a messy shoulder-length bob. She dresses in a rock style with a studded choker and two handcuffs, a purple T-shirt with a skull on it, a black miniskirt, purple shorts, and black/purple punk boots. For swimwear, Yumi first wears a green camouflage bikini. For bedtime, Yumi wears a black or a white long-sleeved nightgown with a skull in the middle. Yumi's demeanor is not just like Ami's. Age: 15 She is sarcastic, cynical, vain, sassy, stubborn, and gained with self-importance. She loves things like ninjas and anything else rough and tough. She rarely signs in any excitement as "she is too cool" to show it. For some reasons, she comes off as rude and insults others she sees as "not cool". Despite being similar age group with and more serious than Ami, Yumi is also more impetuous than Ami and rushes headlong into a decision before thinking. However, Yumi has a mature side, too, and for some reasons with Ami's childish obsessions. She also has a big heart and is willing to help while she can.

Ami has fair skin, hot pink eyes, and long hot pink hair that goes down to her waist. She also partially ties her hair into buns. She also usually wears a flower hairclip. wears an orange, yellow, and bubblegum pink patterned go-go dress that has a white collar with two points, a white belt with an circular buckle in the center, and also carries a daisy flower barrette in her hair on every occasion, a silver-and-emerald bracelet on her right wrist and an orange beaded bracelet on her left wrist, and white knee-high go-go boots with the zipper lying where her feet is located. For sleepwear, Ami wears a pink long-sleeved nightgown with a flower in the middle. Age: 16 Ami is known for her girly-girl and goody-two-shoes personality. As the optimist, Ami always looks on the bright side of things and finds a solution to every situation she is involved in. She loves rainbows, bunnies (cute animals), sparkles and anything else typically pretty, which is the opposite of Yumi, who likes things more targeted to a tomboyish and unisex demographic. She also cares a lot about how other people think, and tries not to be selfish. This makes Ami willing to help everyone and find solutions for anyone she cares. On the other side, however, she also hides her real mind and opinions in order to never disappoint others. Ami can play her drums with her bare feet

He wears a large pair of round glasses, a black shirt, jeans, and black and white sneakers. He is almost bald with only a bit of grey hair on the sides of his head. It is assumed he doesn't shave. For formal wear, he wears a brown tuxedo mask and wears a brown top hat on his head. Age: early 60s He is extremely greedy, sometimes selfish and will do almost anything for money.