I used the standard Movie Maker that came with my laptop. It's nothing fancy, and I'd like to upgrade at some point, but I'm not sure what program would be best.
Oh, 99 is Cassandra Cain. The numbers on their little jerseys relate to the years they were created, so Dick is 1940, Jason is 1983, Tim is 1989, Cass is 1999, and Damian is 2006.