Discord

In My Little Pony: Friendship is Magic, Discord is a draconequus and the spirit of chaos and disharmony, initially appearing as a primary antagonist before becoming a complex and often helpful ally, known for his immense power and mischievous nature.  Here's a more detailed description: Draconequus: Discord is a chimera-like creature, a draconequus, meaning "dragon-horse". He is a combination of various body parts from different creatures, including a horse's body, a pony's head, and parts from other animals like a lion, eagle, goat, lizard, bat, and bird.  Spirit of Chaos: Discord embodies chaos and disharmony, and he is initially presented as a villain who seeks to cause unrest and unhappiness in Equestria.  Imprisoned and Unleashed: A thousand years ago, Discord was imprisoned in stone by Princess Celestia and Princess Luna after he caused chaos in Equestria, but he is later freed.  Transformation and Redemption: Although initially a villain, Discord undergoes a transformation and learns the value of friendship and balance, becoming a helpful ally, though still prone to his mischievous tendencies.  Powers: Discord possesses immense power, including the ability to bend reality, conjure anything, create dimensions, control emotions, and morph into anything.