Your numbers don't matter that much. No need to memorize them. They'll use that instead of your name for pretty much everything. When they do use your name, it'll probably be in a formal situation, so I would recommend you using your "real" name. I'm going to assume everyone used their real name unless anyone says differently.
"Death, or glory! It is our way! Let it be known to our enemies as we spread their blood across the galaxy and take their skulls for our lord. For Khorn!" - Ares
The basics, like hometown and age. Also, they count as a sorcerer and a ranger respectively. Their names are Jack and Ragok. See if you can guess which one is which, according to racial stereotypes.