The designer of pacman had never heard of pac-man when he designed it.
The first 4 letters had to be changed for legal reasons.
Pacman turned 30 years old in 2017! This makes him almost as old as some of our readers.
Originally known as Puck-Man, Namco later changed it to Pac-Man when they were told that paku-paku (the sound of eating) was a vulgar Japanese term.