There are two artists with the name Pacman 1.)
Pacman is electronic artist Noah Sasso who also records as Octopus Inc. Pacman has been releasing music since around 1998 on the american Kracfive independant record label.
2.)
Pacman was an Alternative/Punkrock band from Germany. Some of the members are now in German Indie band Herrenmagazin.
They never released a full length album. Some of their songs can be downloaded from www.mp3.de/home/pacman .

Read more about Pacman on Last.fm.