Daisuke Amaya, art-name Pixel, is a expert doujin (amateur self-publisher worker) in Japan. He designed and created over five years a game called "Cave Story", which drew the attention of a lot of game players and has been very well-received by the critics and is a totally free game.

Other games Pixel has created include:
Glasses (Megane)
Azarashi
Kado AI
Organya
Ikachan (Squid Kid)
PixTone