User blog comment:DarkJester4114/Another Interesting Idea by DarkJester4114/@comment-16216341-20140813114557

That's a pretty complicated I like how you put some effort to this but........

Dia, Darvaan, Lucina, Blanc, Eric, Themis are the units that are closest to being almost Dual Types.

Like I said its pretty complicated but I think sticking with the Dual Type BB is a better option.