Abbreviations in RL and the Hobby

I bring this up because I was watching the Pittsburgh at Columbus playoff game in hockey, and the abbreviation used for the Columbus Blue Jackets is CBJ.

Every time I see a hobby abbv. in RL it makes me laugh

Zakk Wylde (guitarist for Ozzy Osborn) has a band and most of their merch has the bands initials on it. Black Label Society. BLS