He always felt kinda creepy to me, that guy. Birdkeepers often seemed odd though to be honest...That Birdkeeper in Heart Gold and Soul Silver who goes "BasaBasaBasaBasaBasa" when you approach him, then "PyopPyopPyopPyop" when you beat him.
Professor Oak: "This is my grandson. What was his name again?"
Then again, this could just be him getting older and losing his memory.
Pokemon Emerald is even funnier, especially since in that game everyone in the Battle Frontier talks in all caps.All I remember is the people on the Battle Subway saying some messed up things.