My emblem has none of that. It's just a seal (my French class makes lots of jokes about the French word for seal) and a kaleidoscope effect in the background with various light colors. I have never seen anything like that as someone else's emblem.
I always look at peoples emblems in lobbies when I am waiting for a match to start. I love the creative or very cool looking ones. Especially if it looks like someone put some work into it. I always go in and like ones that interest me.
I saw one once that was two cars playing chicken with a dolphin in each one firing machine guns. There was something about it that was cool.
I actually have a few different emblems that I switch through occasionally:
Creeper face(not original I know, but I used in in black ops for awhile)
Random face with a monicle
A free willy parody using a dolphin jumping for freedom over a wall into shark infested waters.
Pac-man in a corner of his maze chasing three of the soldiers colored like the ghosts. At the time I made it, I hadn't seen any other pac men emblems, but now I see them all over the place, lol.
i play the wii u version and the most common ones i see are triforce, some kind of pokemon, ive seen yoshis, kirbys and things like that but its to be expected on a nintendo system. also see a lot of nintendo character names