Blinky played by Jim.
Blinky is the red ghost.
Jim is a rather gung-ho roleplayer, interested in action, cool fight scenes, and lucrative spoils over careful consideration or puzzle solving. He frequently acts before he thinks, which includes fixating on his own strange explanations for setting details that the GM hasn't explained yet.
Pinky played by Ben.
Pinky is the pink ghost.
Ben is a thoughtful roleplayer who tries to think through the best course of action within his character concept and the setting. He enjoys coming up with clever ways to justify the success of his plans within the premises of the setting.
Inky played by Pete.
Inky is the blue ghost.
Pete is an old friend of Jim's. Jim invited him along to join in this new game. Pete designed a character to maximise all the skills he thought would come in most useful in a video game, at the cost of having Vulnerable to Power Pellets, Unpredictable Maze Movement, and Actually Cyan Not Blue.
Clyde played by Sally.
Clyde is the orange ghost.
Sally is somewhat younger than the other players, but has grown to be an integral part of their gaming group. She has an active imagination and enjoys inventing details about the game setting and characters. Her gaming style is maturing as she grows older.
Sue played by Annie.
Sue is the purple ghost.
Annie was interested to come along and see what this "roleplaying games" thing was all about, hearing it was a sort of improvisational acting thing. She is dedicated to playing her character as a real, complex person with motivations inspired by a well-considered backstory.
Funky played by Corey.
Funky is the green ghost.
Corey is Pete's nephew and was keen to play the "cool roleplaying game" that Pete told him about. He is relatively new to the world of tabletop RPG gaming but has adapted quickly to playing a character and thinking as they would.
Pac-Man is a ravenous monster who stalks the maze. His main concern is finding the Lost Power Pellet of Phanastacoria.
Ms Pac-Man is the Pac-Man's mate, and also similarly ravenous and fearsome. She uses her coy smile and popularity to deceive ghosts into believing she is less dangerous. How exactly she gets away with this is a mystery.
Jr Pac-Man is a juvenile Pac-Man. He keeps an eye on his elders and tries to keep everyone out of trouble, which seems to be a very difficult thing to do with them running through a maze all the time.
The Glitch is an unravelling of the fabric of reality that lurks on level 256 of the dungeon. Pinky and Inky trust it, but Blinky is suspicious of it because it makes it impossible to complete the level. Who is right remains to be seen.