Here's some interesting information.

[UnknownH]

Here's your answers.

Davis is too much like Tai to be a choice no matter if Japan has few hang ups with that whole thing.

And dub Ryo's a dink. Just go with Takato or at the very least Henry for Rika.

That's it.

Now then, since I'm here, more info.

http://wikimon.net/Titamon
Attack on Orgemon. Who now has a Mega. Titanmon. Also they say Digitamamon is his ultimate. Not sure what I think of that.