Who is the artist and where can i get the image in the upper lefthand corner?

tiquanleap said:
Who is the artist and where can i get the image in the upper lefthand corner?

Artist is Nitro+, but dunno about the full picture. I'd love to get that too tho!

Thanks Mii!!

Sadly, the full picture is nowhere to be found... Anyone got a clue? This is really one of the greatest artworks I've seen in a while, to me.