surrogate more old farts and bojack horseman characters, lines with anyone for a one-time bestselling author who hasn't finished a book in years, especially his disgruntled agent, an assistant who's more like a babysitter, ex-wives and muses, former and current students he's either slept with or never looked twice at, including one whose career is starting to take off, and maybe harley quinn as the former therapist he had an affair with