Rock Dog!

Rock Dog is a 2016 animated comedy film directed by Ash Brannon and written by Brannon and Kurt Voelker. The film is loosely based on the Chinese graphic novel Tibetan Rock Dog by Zheng Jun. It features the voices of Eddie Izzard, J. K. Simmons, Lewis Black, Luke Wilson, Kenan Thompson, Mae Whitman, Jorge Garcia, Matt Dillon, and Sam Elliott. The film focuses on a young Tibetan Mastiff who leaves... (Wikipedia)