Obscure Nintendo Charactersさんのイラストまとめ

Kappa
First appearance: Sakura Samurai: Art of the Sword (3DS)
This kappa guides the Sakura Samurai on his quest. He (or another, identical kappa) also appears in Nintendoji, this time guiding Kageshina Kurabe.

Miura
First appearance: Ever Oasis (3DS)
A Drauk warrior who is searching for her younger sister. She specializes in using a spear.

Kyappy
First appearance: Giftpia (GCN)
Pokkle's girlfriend, and the mayor's daughter. She is kind and considerate but doesn't hesitate to slap Pokkle if he upsets her.

Jadis
First appearance: Soma Bringer (DS)
The vice captain of Pharzuph Division 7. He has a frank attitude, and fearlessly shreds all enemies to pieces.

Cootorolan
First appearance: ASH: Archaic Sealed Heat (DS)
A mechanical soldier who traveled through time in order to change the future. Unlike ordinary mechanical soldiers, he has thoughts and feelings.

The Cherry Twins
First appearance: Bonsai Barber (WiiWare)
Maraschina and Morella Cherry are a pair of streetwise, rebellious teenagers, and they only like the pop bands that no one else has heard of.

Celio
First appearance: Pokémon FireRed & LeafGreen (GBA)
Celio runs the Pokémon Net Center on One Island. He asks the player to bring him a ruby and a sapphire so he can upgrade the Network Machine to link up with trainers in the Hoenn region.

Rosso
First appearance: The Legend of Zelda: A Link Between Worlds (3DS)
A miner who is actually one of the Seven Sages. He knew for a long time that he was a Sage, but he never told anyone because he was too busy mining.

Mrs. Tanaka
First appearance: Koro Koro Puzzle Happy Panechu! (GBA)
A housewife who spends her free time playing Panechu.

Spirit of Power
Yoshi Topsy-Turvy (GBA)
The spirit guarding chapter 3 of the Forbidden Pop-Up Book. He challenges Yoshi to defeat a lot of enemies.