The characters in the center belong to Stormwyrm (http://www.twitter.com/Stormwyrm186) and Steir (https://twitter.com/SeitamashiiRyuu). The two on the left belong to Aqua and MasoKitty on Elliquiy.com
The characters in the back belong to Stormwyrm (http://www.twitter.com/Stormwyrm186) and Steir (https://twitter.com/SeitamashiiRyuu). The two in the middle belong to GeekGirl88 and AribethAmkiir on Elliquiy.com
I put the artist's handle in the file name, but not what site I found them on. There's a different "Tachibooty" on each site I'm on, so I have no idea. That might not even be their name anymore.
I won this icon in a raffle and I don't have a link to the original artist. It might be made by editing a base, and the one who did that is what I've linked to. The label on the link is the artist's name, though.