Make a person's persona name unique. So only one person in the whole game would have a name like "Mr.Ford".
That would bring in a sense of importance to people playing and it's a great way of knowing who you're playing.
The only other FPS that I know of for the Wii that has a unique naming system is Medal of Honor: Heroes 2 which was released in late 2007. That game was considered the best since it had dedicated servers (the only FPS on the Wii to have them) , 32 person multiplayer, and balanced weapons.
I believe you guys, HVS, already know about MoH:H2 since I remember seeing in an article that it was one of the games that influenced The Conduit.