1boy, 2girls, armchair, atomic_heart, bald, blonde_hair, boots, braid, breasts, chair, crossover, crown_braid, dr._eggman, faceless, faceless_female, facial_hair, fat, fat_man, flag, full_body, gloves, goggles, humanoid_robot, indoors, jacket, joints, left_(atomic_heart), long_sleeves, medium_breasts, metal_skin, multiple_girls, navel, on_chair, pants, red_star, right_(atomic_heart), robot, robot_girl, round_eyewear, shadow, siblings, sisters, sitting, sonic_(series), star_(symbol), sunglasses, totesfleisch8, twins