>>44364347>>americans are dragonsDragon energy baby.
But really... Just like how the Fairy type has a lot of ambiguous offerings due to mythology varying/changing, so too is the same for Dragons.
That, and Charizard, Gyarados, and I'm assuming T-Tar were introduced in an earlier time back when GF were much stricter with the type. Things changed after Gen 3. Had the above been introduced today, things would've been different regarding their typing(s) I'm assuming.