"No. You can summon him, if you use the right combination of names and titles. I could probably do it just by screaming 'Dad!' with the right intent. And then there's this ritual, kind of like a party line for Demon Lords. You never know who's going to answer that one, could be Dad, could be Grandpa, could be Mephisto. They all hate that one."

Liza gave him a look.

"You mean the B word? It's interested. But, it wants out all the time, so no big. Nothing I can't handle."