I’ll add a thumbs up for coffee in some beers … especially for breakfast
The above mentioned Founder’s Breakfast Stout is a good one, as is Berkshire Brewing Company’s Coffeehouse Porter - I believe they add coffee after brewing.
For additional flavor, in a spicy mocha stout, try Stone’s Xocoveza and Weyerbacher’s Sunday Mole Stout.
Then, of course, brew your own version.