Morty is a teenage boy with short brown hair, large round eyes, a nervous expression, and a simple outfit consisting of a bright yellow T-shirt, dark-blue pants, and gray shoes, and he is generally anxious, awkward, easily frightened, and inexperienced but caring.

Rick is an elderly man with pale skin, spiky light-blue hair, a unibrow, half-lidded eyes, and a tired or annoyed expression, wearing a long white lab coat over a light-blue shirt with brown pants, a black belt, white socks, and black shoes, and he is extremely intelligent, sarcastic, reckless, cynical, and confident.

Summer is a teenage girl with long orange hair tied into a high ponytail, large round eyes, and a mostly neutral expression, wearing a pink tank top, white cropped pants, and black flats, and she is confident, sarcastic, socially aware, and sometimes impatient but cares about her family.

Beth is an adult woman with shoulder-length blonde hair, large round eyes with eyelashes, and a concerned or slightly surprised expression, wearing a fitted red short-sleeved collared shirt, dark-blue pants, and light-colored shoes, and she is intelligent, independent, stubborn, and ambitious.

Jerry is an adult man with short brown hair, large round eyes, a long face, and a somewhat worried or unimpressed expression, wearing a dark olive-green collared shirt with a brown-and-tan horizontal stripe, light-blue pants, and black shoes, and he is insecure, awkward, and often anxious but cares about his family.