21 Things You Didn't Know About Pac-Man
14. Ms Pac-Man Started As A Rip-Off
The "real inventors" of Ms Pac-Man were MIT students Kevin Curran and Doug Macrae, who made a Pac-Man mod called Crazy Otto.
When they were sued by Atari over another game, they sold Crazy Otto to Namco to avoid any other lawsuits. He then became Ms Pac-Man.