Like Drago, Sleuth's betrayals were self-serving and motivated by greed and the promise of power. Somewhat more brutal than most of the other villains, Dawg could hold out against Robotnik's Roboticization longer than the rest of the team. When it became clear that he was beaten, he made a spiteful, last-ditch attempt to remove Robotnik with a hand grenade. Like Drago, he is willing to sell out anyone so long as there's something in it for him, and he also appears to have a little backbone.