I don't know anything about Max and so I don't know whether he deserves an article, but the underlying question is important and interesting: should anything that somebody bothered to write up be accepted into Wikipedia, assuming it is NPOV?
I say no. The item has to be of relevance in some way. It would be fruitless to try to define "of relevance" on many policy pages. It is implicitly defined by the overriding goal of writing an *encyclopedia*. Reasonable people will usually agree, and if not, it can be resolved the wiki way.
Lists of phone numbers, a description of my dream of last Tuesday, a biography of my father are all irrelevant and don't belong in Wikipedia. Imagine Encyclopedia Britannica was completely freed of their space and money constraints: they still wouldn't include a biography of my father.
Now, Simpson characters on the other hand are relevant: a very popular show in the largest consumer market of the world. Simpson shows are being analyzed in literature departments, and no doubt EB would include an extensive treatment if they could.
Axel