My first thought when reading "Metroid Pinball" was "someone needs a damn good kick in the face". I stand by that.
Nintendo MUST stop this if they want to have any customers left in the next few years. This is insulting, especially considering that Nintendo's characters aren't very likeable in first place. They are all flat as paper and designed pretty much as placeholders. Daisy and Zelda, the humanoid McGuffins, Mario, Link and Samus the ridiculous heroes that show no realistic reactions and cannot be identified with, Pokemon, a whole load of random critters designed to fill a collector book, etc. Come on, it's not like those stupid characters enhance the gaming experience, in fact they do exactly the opposite. Metroid Prime suffers from Samus's stupid design, Mario is just plain out annoying, Link has a pretty boring design as well and his grunts are annoying, etc. Those characters come from a time when sophisticated designs or complicated back stories just weren't possible. Times have changed, 3d characters that take up a large part of the screen just need different design philosophies than 16 pixel high sprites. Nintendo's old characters look out of place in the modern world and need to be put to rest, replaced with characters that fit into modern games better and don't stand out like a rainbow-colored poodle.