I used to play with someone who would routinely use "Ashton Kutcher" as their tag. Needless to say, it pissed off... well, everyone in the server.
Haha funniest gamer tag I've heard was Gangly Teeters
we used to put other peoples names on the high score of arcade games, like mikeisgay
Xbox live: A great place for 12 year olds to express themselves.
lol funny stuff
I play on the PS3, on the PlayStation network myself but I have still seen some pretty weird and funny names.
I used to work for xbox tech support ive seen "captincrotchrot", "i will rape you", and about every euphemism for cock that you can think of.
"you've been killed by supercancer" wtf¿?!
funny stuff supercancer?? what?