From the Super Mario Wiki, the Mario encyclopedia

If he was mentioned in SMBSS Then he wouldn't be a cannon character since the cartoons aren't cannon. -Pal101

We have tons of cartoon articles, and, while we do recognize the cartoons as non-canonical, they are still a part of the wiki. You are right in that he is not a canonical character, but that doesn't mean he doesn't merit an article, as he did appear (well, was mentioned) in an official form of Mario media. YELLOWYOSHI398

Yeah I guess your right. -Pal101