When I was growing up, Avon was a brand of cosmetics and cheap jewelry that used to be sold door-to-door:
https://www.youtube.com/watch?v=66IWgU9AAis
I think they might still exist?
It has a quaint retro brand-name quality to it, like Spam or Tang or Betty Crocker. I like it but I'm not sure how it'd look as a pseudonym unless you really want it to be evocative of a certain "type". Which is totally ok of course, just something to be aware of.