Bayes-neon Mascots (desperately seeking): a neon sign! puppies! wigless religious figure—probably the reverend!
I have always thought that the neon sign (of the definition of conditional probability)–first spotted on a truly impressive cult blog–is the fitting emblem for a certain subset of contemporary Bayes: neon. Politically, epistemologically, and commercially–it says it all!
(My “proper” blog (compared to this one) has a stock mascot, Diamond Offshore. Unfortunately, it’s at like a year low. Search rejected posts, if interested in the story. The insignia or pictorial emblem for that blog is the exiled one, casting about for inductive insights):