Thark's the Alien Warriors from John Carter From Mars (Movie) based on the novel A Princess of Mars by Edgar Rice Burroughs a expert in fantastic adventure novel's (like Tarzan).

Tharks (in the movie version) have humanoid faces with tusks coming out from their cheeck bones, they are four armed (one pair coming a bit after the normal position), they are a violent race who don't tolerate any kind of kindness and pity.