Alan Grant: "I would have liked the Treens, except they were such push-overs. Me and two kids from down the street could beat the whole Treen army. Dan and Digby made such assholes of them all the time." Thrill-Power Overload by David Bishop.
Au Taween: "You don't try to communicate with Treen. You attack. You kill. Before they kill you!" Dan Dare #2.