Obscure Nintendo Charactersさんのイラストまとめ

Houou
First appearance: Yakuman Houou (3DS)
The game's mascot.

Miss Madeleine
First appearance: Magical Vacation (GBA)
A teacher at Will-o'-Wisp Academy. She brings the protagonist's class to camp at Valencia Beach. In Magical Starsign, she teaches the protagonists how to fight before leaving the academy on a special mission.

Agent Spin
First appearance: Elite Beat Agents (DS)
The newest member of the Elite Beat Agents. He takes the lead when playing on the Breezin' difficulty mode.

Naporon
First appearance: Kururin Paradise (GBA)
One of the magicians who seemingly abducted Kururin's family. In Kururin Squash!, he reappears as a shopkeeper.

Mr. Crayon
First appearance: Mario Paint (SNES)
Clicking on Mr. Crayon moves you through the pages of the palette at the top of the screen. He has a unique pose for every page, and if the game is left untouched for a little while he will dance until you return.

J.J. Rocker
First appearance: Rhythm Heaven (DS)
A rock legend once known as "the King of Headbanging", until an injury took him out of the touring circuit for years. He teams up with a student in order to make a comeback.

Kaen
First appearance: Kakurenbo Battle: Monster Tactics (GBC)
A monster hunting expert who uses flame skills.

Microfang
First appearance: Kurikin Nano Island Story (DS)
A wolf-like bacteria. It moves by rotating its solid body, and attacks with its sharp spike.

Polly
First appearance: Marvelous: Mouhitotsu no Takarajima (SNES)
A tiny girl who joins the protagonists after they save her from a wild dog. Her small size sometimes comes in handy for solving puzzles.

Yu Ayasaki
First appearance: Daigasso! Band Bros. P (3DS)
An up-and-coming voice actress and singer who also works as a radio show host. She appears in Super Mario Maker as a Mario costume, and even provided the voice for Mary O. in the same game.