Should i change my gamertag?

should i change my gamer-tag , my gt is killer squid69. i have ms points on my account and pro-bally wont use them. I also want to change my name because people kinda make fun of it but i dosent offend me but gets annoying. The name i had in mind is FaTaLxBlAcKsCoP3s because my friend has a clan and wanted me to join but if u thin that it isn't good or if i should change GIVE me some ideas for a new names i like to quick-scope and no scope if that helps and my name is chris