Yes I say Trainer... a good trainer.
That and a good muzzle until you figure this out. Also, just out of curiosity, do you let him outside alone? Is he crate trained? and how is he chasing UPS and runners... makes me think he is off lead.. which he should NEVER ever be at this moment.
Commander Charly Titan (GSD)-15 Jan 2010
Lady Athena (BB)-2011-2012 (RIP baby girl)