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Don

Sorry, it was just tiny. Posted larger version.

So far, just substitutes.
Pixelar http://www.myfonts.com/fonts/graviton/pixelar/
Pexico Micro http://www.myfonts.com/fonts/urtd/pexico-micro/
Pixapp http://www.myfonts.com/fonts/okaycat/pixapp-inter/
Otto http://www.myfonts.com/fonts/t26/otto/
Orange Kid http://www.myfonts.com/fonts/typodermic/orange-kid/
Don

It appears to be Proggy Square:
http://www.dafont.com/proggy-square.font?text=Thanatos