The company's name, "chelfitsch," is Okada's coinage. It represents the baby-like disarticulation of the English word "selfish." It is meant to evoke the social and cultural characteristics of today's Japan, not least of Tokyo.

Main works: On the Harmful Effects of Marihuana(2003), Five Days in March (2004), Air-Conditioner(2004), The End of Toil(2005),