I've never given Calvin's parents names, because as far as the strip is concerned, they are important only as Calvin's mom and dad.
— Bill Watterson, The Calvin and Hobbes 10th Anniversary Book
Ian: I called you Mom all these years, and I don't even know your real name?
Ian's Mom: And you never will. MUAHAHAHAHAHA!
Ian's Mom: And you never will. MUAHAHAHAHAHA!
— Smosh, "REAL DEATH NOTE!"