Starswirl the bearded

He was a great powerful wizard unicom (That may sound redundant) He was quite possibly the tutor to the princesses. Even rumored to have been the only known male alicorn. He has only two mistakes in his life. The first being an attempt of bringing ponies back to life. The spell being two parts a regenerative, and a glammer spell intent on keeping the rotted flesh disguised until it had rebuilt itself. unfortunately he put to much emotion into creating the ritual. The effect creating an...insect like? Breed of subpony, That could shapeshift and had to feed of emotions.

The second mistake cost his ponyality(Whatever the pony equivalent of humanity is) not much is known of the specifics of the ritual he was performing. Just be sure. Something went wrong. He bacame imprinted with the qualities of a dragon and many other animals, his form twisting his mind, he'd became a draconequus. Answering only to the name Discord. The princesses chose, upon defeating Discord,That they would never record their teachers fate