What's so difficult about English "th"?

[Bootis]

@scifisam2009

You can’t claim ‘I can make the same sound by using different parts of my mouth’ any more than you can claim ‘I can hit the letter c on the keyboard and it comes out as a g,’ unless your keyboard has been reset; I doubt your mouth is different to all other humans.

Actually that’s the only possibility I could think of, that maybe he has some unusual bone ridge on the roof of his mouth or something.

Baritone voice can’t have anything to do with it- unless his voice changed in the womb.