My instructor (a famous hot shot artist) told us to create an agent of sorts: a being or entity that would embody our imaginations. This being should travel the universe and our dreams bring back ideas for us to visualize and draw. This was a way to spark our imaginations and keep our creativity flowing.
I started out by drawing an ethereal white spirit horse. (Come to think of it, that must have been my first spirit pony.) Once I drew her she started to transmute in my mind. (Yes, she is a she.) What better imagination agent than a unicorn, thought I. So I gave her a magic horn. To travel around the world she needed to fly. So I gave my white unicorn wings. White seemed a boring color; not enough drama. I gave her stripes to show that she is a wild creature, not tamed by anyone.
Several illustrations later the “Zebracorn” seemed to be surrounded by a blue aura. She also seemed to have a fiery spark of energy. So, I named her: Bluefire.
Of course since then she has undergone a few updates.
Here she is in 1989
Here she is in 2008