Mimi Tachikawa´s reality nº 12 counterpart is a digidestined called Makoto.
Handsome, arrogant and always wearing his cowboy hat holds the crest of Sincerity and whenever the digivice´s light blade changes colors , his Palmon can go through different forms. When the blade finally became golden, the digimon reaches an alternate, unique Mega form : Joou Rosemon. Since Makoto considers himself as almighty as a king, Palmon feels like his queen
Here are more about the digidestineds from reality XII