User blog comment:Lord of fish/Not yet seen/@comment-6700851-20130403135807/@comment-3298453-20130406011831

Was it on deviantart? Because I saw that:

http://spyroflame0487.deviantart.com/art/Ben-10-Omniverse-Background-Update-359499943?q=gallery%3Aspyroflame0487%2F963309&qo=3