#2. He had his own backstage faction called the 'Bone Street Krew'
Over the years, The Kliq has gained notoriety as the backstage faction that used to run things in the WWE back in the 90s. Something most fans don't know is that The Kliq was not the only backstage faction in the WWE at the time.
The Undertaker had his own faction known as the 'Bone Street Krew'. That is what the infamous 'BSK' tattoo on his stomach stands for. The group was created in an attempt to tackle the growing influence the Kliq.
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The group comprised of The Undertaker, Paul Bearer, Mr. Fuji, Savio Vega, The Godfather, Yokozuna, Henry Godwinn, Mideon, Brian Adams, Rikishi and James Harrison. Apparently, The Undertaker believes in quantity over quality.