Alena

From the Super Mario Wiki

Alena is a character from Dragon Quest IV and a playable character in Itadaki Street DS. Alena is the princess of Santeem and follows the strict rules of her father, the King.

Alena's Hat and Alena's Clothings are collectible items that can be equipped on customizable characters.

Other Series
From other Nintendo series Bubbles | Bulborb | Captain Falcon | Captain Olimar | Centurion | Charizard | Condor | Cresselia | Dark Link | Dialga | Entei | Falco | Fox | Ganondorf | Gordo | Hanenbow | Ice Climbers | Ike | Ivysaur | Jigglypuff | King Bulblin and Lord Bullbo | King Dedede | Kirby | Kraid | Krystal | Like Like | Link | Lucario | Lucas | Majora's Mask | Marth | Meta Knight | Mewtwo | Mii | Mother Brain | Mr. Saturn | Ness | Octorok | Palkia | Palutena | Parasite Queen | Peppy Hare | Pichu | Pikachu | Pikmin | Pit | Pokémon | Pokémon Trainer | Pokey Minch | Polar Bear | Primid | Rayquaza | ReDead | Ridley | R.O.B. | Roy | Samus Aran | Sea Turtle | Sheik | Slippy Toad | Squirtle | Stafy | Tabuu | Tingle | Toon Link | Topi | Ultimate Chimera | Unira | Waddle Dee | Waddle Doo | Whispy Woods | Wolf O'Donnell | Young Link | Zelda | Zero Suit Samus
3rd Party Alena | Amy Rose | Angelo | Banjo | Bianca | Big the Cat | Black Mage | Blanka | Blaze the Cat | Blinky | Bomb | Bomberman | Bombermen | Bottles | Cactuar | Charmy Bee | Chun-Li | Colonel Roy Campbell | Conker the Squirrel | Cream the Rabbit | Cristo | Dancing Jewels | Dhalsim | Dragonlord | Dr. Eggman | Dr. Light | Dr. Wily | Egg Pawn | Espio the Chameleon | Hassan | Heal Slime | Jessica | Joe and Mac | Kid Klown | Knuckles the Echidna | Malboro | Mametchi | Mega Man | Mei Ling | Metal Gear | Miles "Tails" Prower | Mommonja | Moogle | Ms. Pac-Man | Ninja | Otacon | Pac-Man | Plok | Pudding | Shadow the Hedgehog | Slime | Snake | Sonic the Hedgehog | Super Sonic | Vector the Crocodile | White Mage | Yangus | Zangief