No prob. Just some random bits I found looking around for clues whether there already were any decisions from US courts wrt whether Waffle House is a well-known trademark:

Interestingly enough, Waffle House is mentioned in a 2007 article related to a US trademark law reform as an edge case [1].

This does not seem to be the first time that Waffle House appears to be overreaching: [2]. The balls to pull this off with a straight face, kudos to the colleagues.

An article from INTA relating to dilution [3].

[1] https://scholarship.shu.edu/cgi/viewcontent.cgi?article=1864... page 458, last paragraph and footnote [2] https://www.techdirt.com/2011/08/17/waffle-house-says-rap-so... [3] https://www.inta.org/fact-sheets/trademark-dilution-intended...