The child image has the copyrights and characters, if it is approved. Most of them don't have much/any other images (Digimortal and NOiSE have ~12-15 on pixiv that I can see). I can't honestly say I've ever seen Net Sphere Engineer, Blame!^2, Suzumega, or Dead Heads fan art.
NET SPHERE ENGINEER
DismantlerSENSHI KACCHUU SUZUMEGA
Unit 4NOiSE
Susono MusubiABARA
Kudou DenjiDIGIMORTAL
DigimortalSIDONIA NO KISHI
Tanikaze NagateBLAME!
KillyDEAD HEADS
TakadaBIOMEGA
Kanoe ZouichiBLAME!²
8th Generation Body Pcell