I tried looking around for a post about how everyone either got or made up their gamer tags. I didn't find anything, I did a brief search going back to 2009 so I hope I didn't miss it lol (if I did, I'm really sorry about the re-post but please link it here so I can follow up with everyone).
I'll go first:
Gamer tag: BlaZe
Game: Call of Duty 4 Modern Warfare
I got it from Ace Combat 5, a PS2 game back in the day . The whole series was easily one of my favorite set of games (plus, planes are awesome). The main character has the callsign Blaze and I pretty much used it since I've been playing COD4 online. A lot of people think its used with the drug connotation, but I just really liked Ace Combat 5 in particular and the character.
So, whether you grabbed it from somewhere else or made up your own, I'd like to know how you got yours. It shows how creative people can be or some of the things they really like.
Looking forward to getting to know all of you