Some fantasy surnames can be the coolest last names for any character for a book or a game. Certain plots may demand names for girls, an Irish last name, or French surnames that sound sharp and. You have a plethora of fantasy last names from which to pick for your characters. The finest ones usually imply something significant. Take, for example, the surname Griffin, which means “fierce,” or the surname Luna, which means “moon.”. In this post, I’ve compiled a list of some of the best fantasy surnames for naming your characters. Avoid hard-to-spell and hard to remember fantasy surnames. Before giving a name to someone, you have to think that the name you are giving, is very easy to spell and all the people can easily remember the name and don’t have any difficulty in remembering and spelling the name. By avoiding hard spelling the name will automatically look attractive and easy to remember for all..