Hmms, for a certain doll, I'd have to choose Bacsojin.
Reason One: Cute, enough said.
Reason Two: She plays peeka-boo with you when she gets hit.
Reason Three: She looks somewhat like a friend of mine.
Reason Four: Normally when something drops a "Transparent Celestial Robe" at a high chance... chances are, they're wearing it.