Jumping on that bandwagon tho...
"NO NAME" is a fictional SnK band in an AU setting, pretty sure an artist from pixiv started this thing, please comment below if you know the origin!
NO NAME consists of Levi, Hanji, Mike, etc.
Programs used: Paint Tool Sai, Pixlr Express, and Serif DrawPlus Starter Edition
Estimated Time: 2-3 hrs