This question isn't very clear -- what sort of name are you looking for that might have a number? Story titles come fromwhat you've written, not the other way around. Write your story first, then the title will come to you.
Any name you want to use is a good name -- you are the writer of the story!
Whatever name you like is a good name for you - they're your characters!
larnia
Any name that you want to name your character is a good name -- they're YOUR characters! Here is a good name generator website if you have trouble picking names.
a good name would be either something with numbers at the end or something weird like kingswimmer.
Here's a link to show you how writers name their characters.
For the Love of the Game...
Only you can come up with a good name! Book Titles come from the story, not from some anonymous person on the internet! Think about your story - what is going on and who are the people involved? Check out the Related Questions for help with your book, too!
You may write whatever you wish -- it's your story! Click the link for a good character name generator.
Here's a link to a couple of good name generating websites!
You should use your name or your favorite name and 2 to 5 numbers
Flamethrower or Fireblaze the numbers (if have to) should be 48579