Looks nice... Foreshortening is not that easy, but you did a good job there on his arm.. Nice detail, too.. especially for a sketch. 
Test Subject 42 - lvl 50 Sp/DA Scrapper
Oku No Te - lvl 50 MA/SR Scrapper
Borg Master - lvl 24 Bots/traps MM
Pinnacle
Nyghtfyre - lvl 50 DM/SR Scrapper
Champion
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Wow!!! Great job on that one! Quit calling it 'just a sketch' that's moved far beyond 'just a sketch'!