Why is the 6D named the 6D?

Audiophiles will recall that across a spectrum of  alphanumeric model numbers, as well as some proper nouns, some high-end companies,  e.g. Great American Sound, had humorous designations such as the tuner model "Charlie the Tuner," as well as a big power amp, "Ampzilla."

I have been thoroughly suspicious of most attempts at demystifying Canon's EOS model nomenclature system.  Why?

First off: It is wrong to presume that even the manufacturer has and [carefully] follows a consistent scheme for assigning new model designations.

Second: There is the phenomenon of feature/model/designation creep, where the manufacturer is actually altering the feature set of a series or line designation over a period of  years.

Third: A new prototype model which the product planners/developers of a Japanese audio or camera manufacturer turn over to the marketing people, requiring a new designation choice, may end up with a model number/name which is based more on marketing ideas than it is a consistent expression of the existing nomenclature system.

Last: the crazy cultural oddities relating to numerology, i.e. this number or that is unlucky, make new category designations tricky.

I think consumers, even highly informed consumers, read more into product designation systems than is justified.  So, we can't know too well what an EOS 8D, 80D, 9D, 90D, 2D will be until someone unboxes the first production piece.  From that point, the nomenclature system may again get shifted by this one new model.

Lovingtheview