Well, This picture is one of two things, to set an example of a basic, decent comic, for others to use. This comic is a satire, and shouldn't be confused with art theft.
-Warning, Harsh British swear words used.
(c) Sonic The Hedgehog aka ("Tornado") belongs to Sega
(c) Miles "Tails" Prower aka ("Banzai") belongs to Sega
(c) Dr. Ivo Robotnik Belongs to Sega
If there is any similarities of sonic recoloring, they are purely coincidental, and in no way shape or form be art theft.
Well done!
XD lol nice parody