Tatsuya Fujiwara as Kira
Death Note movie fanart.

looking a bit mad... im tired

its DN MOVIE actor!! not anime, not manga.

him: http://www.cinemaisdope.com/news/films/deathnotelastname/deathnotethelastname_3a.jpg

*The expression "playing God" is normally used to refer to individuals who behave like supremacists. It is when people behave as though they have supreme power and authority over everyone else and where might/majority makes them right. Playing God is an expression used to describe people who egocentrically and unfairly impose their ideas/ideals upon those whom they consider to be their inferior, forcing these weaker individuals to submit to their autocratic authority. (c-wiki)