I felt the need to do one, MY GOD I'VE IMPROVED. The reason you might not have seen the June art is because it's from my dA, and the reason you might not have seen the December art is because I posted it to my Tumblr.
Also starring OTHER PEOPLE'S CHARACTERS!
January - Harlequin (Me)
February - Spike ( musicofluie )
March - Harlequin (Me)
April - Harlequin (Me) and Luie ( musicofluie )
May - N/A
June - Skyline (Me)
July - Chlorine (Me)
August - Harlequin (Me)
September - $pazim as a pony ( musicofluie )
October - Harlequin (Me)
November - Spike, Luie ( musicofluie ) and Rodney ( rodney_the_bird )
December - Rio Windswirler (Me)