Possible Clues:

• Ghost buster, of a sort
• Game with a maximum score of 3,333,360
• Arcade game with ghosts
• Dot-chomping video game character
• Arcade game first released in 1980
• One following the dotted lines?
• Character that goes 'waka, waka, waka ...'
• Alien invader in 'Pixels'
• He follows dotted lines
• Eater of dots since 1980