I actually think Hotel Mario would be a fitting end to SMSB for non-meme reasons, considering how much Mario and Smash fan content has been incorporated into SMSB, it'd be quite nice, poetic even, to end what is basically (in the context of it's own universe) a giant tribute - if not apology - to the fandom with a character who's only really a seperate character at all because of fan content.
Speaking of which -
smashboards.com
Speaking of which -

SmashBoards has created: Super Mario Smash Bros!
1. Hotel Mario 2. Paper Mario 3. ? Block

oof