This was a Lineart Made by vya-mongoose
Sadly he/her account is deactivated so here is search results of what artwork they had left.[link]
This is my 2nd attempt at Color/shading Rouge the bat.
My 2nd attempt was done with Gimp 2.8
My 1st attempt was done with Gimp 2.0 >[link]
After I short moment of editing I removed the White dots that were in the drawing.