User blog comment:Raheem The Dream/Izuna The Unemployed Ninja with her two sisters: Shino & Shizune as DLC playable characters requested for SMASH 4 3DS/Wii U verisons!/@comment-25612232-20141102012644/@comment-5773940-20141102013155

Shantae is a lesser-known game for the Game Boy Colour that was made by Capcom.

Manic and Sonia are apparently anime characters.

Izuna is from a game for the DS that has no affiliation with Nintendo other than the console it's on.