Storm King

The Storm Kingis the main antagonist of the My Little Pony: the Movie. He is a unknown type of creature who was the ruler of Southern region of Equestria and half of the world and also the former master of Tempest Shadow and Grubber. He plans to invade the entire land of Equestria and the whole world with Twilight Sparkle's and other Princess' magic with his Staff of Sacanas to make his storms more powerful with anyone's, including his whole army of Storm Creatures to help serve him once he rules the world.

He is voiced by Liev Schreiber, who also played Sabretooth/Victor Creed in the X-Men the Series, Stu Wargle in Phantoms, Ray Donovan in the series of the same name, Ted Winter in Salt, and Colonel Alexander Vosch in The 5th Wave.

Appearance
The Storm King has white fur or hair on his all over his body, wears a black armour over himself, his ankles and wrists, and his skin is gray.

Personality
The Storm King is described a unkind cold hearted cruel tyrannic monster, having luss of being power hungry. He loved creating storms, enslaving, abusing and corrupting anyone, including his own army, he comes across. He also hates loving, caring, kindness and overall anything that's cute. He's also sarcastic, egotistical and has dark sense of humor. In the climax of the film, the king is also shown to be traitorous as reveals to Tempest Shadow he never intends of repairing her horn.

Powers and Abilities
The Storm King has a staff called the Staff of Sacanas, which has the ability to create storms. It also reveals at the end to fix and create things like rebuild everything that was destroyed. The staff's faith remained unknown after Canterlot and everything else in Equestria was rebuilt, either it was destroyed or remained in either Canterlot or Ponyville under true care.

Trivia

 * Liev Schreiber accepted the role because he wanted to appear in a film his children could watch, noting their exposure to his violent, adult-oriented films.
 * Despite being the main antagonist, he only gets a short amount of time before the film's climax.