Yak: The Giant King

The Giant King is a 2012 Thai animated science fiction comedy film starring Santisuk Promsiri, Kreadtisuk Udomnak, Boribroon Junrieng, Weranut Tippayamontol, Pawanrat Naksuriya, Caninap Sirisawut, Udom Tarpanich, Bawriboon Chanreuang, Nathan LaVelle, Santisuk Promsiri, Udom Taephanit, Kerttisak Udomnak and Chris Wegoda, directed by Prapas Cholsaranont and Chaiporn Panichrutiwong and distributed by Workpoint Picture. The story is a futuristic adaptation of the fable of Tosakan and Hanuman the Monkey King from the Thai version of the Ramayana, with robots for the main characters.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.