Hades and Persephone bookmark Picture

So right after drawing the medea bookmark I did this little number, with started out as a figure drawing. Mythology class is absolutely fantastic, I can't get enough.
Why do they have blue and pink hair?! Are they anime characters?
There also seems to be some legs missing.
Persephone and Hades
Persephone
Hades and Persephone bookmark
Elements: Earth V
The Olympians