For which network is this television series aired, which involved animation director Brian Sheesley, about a trio (a, alien, robot, and a soldier)?
Brian Sheesley:  Brian was an animation director and supervising director on "Camp Lazlo", and recently an animation director on "Regular Show", "Sym-Bionic Titan" and "Uncle Grandpa". Sym-Bionic Titan: Sym-Bionic Titan is an American animated action science fiction television series created by Genndy Tartakovsky, Bryan Andrews, and Paul Rudish for Cartoon Network. Sym-Bionic Titan:  The series focuses on a trio made up of the alien princess Ilana, the rebellious soldier Lance, and the robot Octus; the three are able to combine to create the titular Sym-Bionic Titan.
Cartoon Network