Pac-Man is carefree, cheerful, friendly, and easygoing, often becoming the butt of slapstick jokes or acting absentminded. Despite this, he takes protecting others and the Power Pellet Forest seriously, using his quick wit to outsmart the Ghosts. Later games portray him as snarky and sarcastic while still warmhearted and forgiving, though he becomes serious when his family or friends are threatened. He loves eating Pac-Dots, Power Pellets, and fruit, and is highly skilled at navigating mazes. Pac-Man is a yellow, circular character with a large mouth, often depicted with pie-shaped eyes, a long nose, arms, and legs. He commonly wears orange gloves and red boots, while some versions add a red hat. His design is inspired by a circle with a slice missing, resembling a pie or pizza.

Ms. Pac-Man is very kind and motherly, devoting most of her time to caring for her children. She is not as adventurous as her husband, but will still help out whenever she is called upon to. Just like Pac-Man, she enjoys eating and is good at navigating mazes. As seen in Maze Madness, she also has a knack for solving puzzles. As Pac-Marie, she's described as a modern girl who likes fashion and is a bit too attached to social media. She also aspires to be a singer. Appearance Ms. Pac-Man's appearance varies throughout games, but her most consistent aspects are that she looks similar to Pac-Man but has a large hairbow, eyelashes, and a smaller nose.

Jr. Pac-Man is a playful, frivolous boy who loves dancing, watching variety shows, imitating celebrities, and skateboarding. He resembles Pac-Man but wears a striped propeller hat and sneakers, sometimes with jeans. His hat varies between a propeller beanie and baseball-style cap across different games.