Nora Hitler-Smith is the mother of Bradley Hitler-Smith and the ex-wife of Bradley's unnamed father.
It is unknown what Nora looks like, her species, or what her everyday attire is.
It is unknown what Nora was like personality-wise.
In Still Broken, Bradley reveals Nora had an affair with BoJack Horseman sometime during Horsin' Around's production, eventually leading to a divorce between her and Mr. Hitler-Smith. However, when confronted about this by Brad, BoJack couldn't remember the affair, nor did he remember Nora's name or appearance.