Pacman is a male customer who made his first appearance in Papa's Freezeria Deluxe Edition!
Pac-Man was created by Namco employee Toru Iwatani when he ordered a pizza. When the first quarter of the pizza was cut out, it looked similar to a head with its mouth open, this is what inspired him to create the character that was originally Puck Man. Iwatani has also said in an interview that the idea also came in part from rounding the corners off the Japanese character for mouth, 口 (kuchi). However, Puck Man couldn't be used due to the fear of American kids defacing the machine making it as an obscenity. Thus, Pac-Man became the American name and eventually the official name.