On the wall of The Laughing Shack, there are pictures of Redd Foxx as a fox, Brody Stevens, George Carlin as George Marlin, Whoopi Goldberg as Whoopi Goldfish, Garry Shandling, Sarah Silverman as Sarah Silverfish, Norm MacDonald, Olde English (the former comedy troupe of Raphael Bob-Waksberg), Ali Wong as a pregnant cobra (referencing her stand-up special Ali Wong: Baby Cobra (2016)), Ellen DeGeneres, Sarah Lynn's voice actress Kristen Schaal as a horse (referencing a routine performed by Schaal and her comedy partner Kurt Braunohler), Billy Crystal as Billy Goat Crystal, Robin Williams as a robin, Steve Martin as Steve Marten, Tiffany Haddish, Dave Chappelle as Dave Chappelican, Gallagher as Gallagator, Marc Maron as Shark Maron, Rodney Dangerfield, Mr. Peanutbutter's voice actor Paul F. Tompkins as Paul F. Tomcat, Damon Wayans as Dalmatian Wayans, the "Hot to Trot Comedy Review" (featuring Elayne Boosler as E. Mane Boosler, BoJack Horseman, and Mitch Hedberg as Mitch Horseberg), Kelsey Jannings' voice actress Maria Bamford as panda Maria Bamboo, Merrill Markoe as Merill Marcrow, David Letterman as David Letterbeaver, and Mike Hollingsworth.