Who owns Riley?

Riley was peacefully playing with the ball until ghost bumps into Hesh ghost: bloody heck- look where you’re going! Hesh: yea sorry he raises an eyebrow Riley come here! Let’s go back to the base! he calls out Riley ghost: Riley?…he says coldly but a hint of confusion is in his voice Riley come here… Hesh: hey are you trying to kidnap my dog? Who do you think you are?! Ghost: Bloody hell Riley’s my do-he gets cut off by Hesh Hesh: dude this is my dog! This isn’t yours!