No they aren't. It was just a part of the story lines.
Hhh jeffhardy kane undertaker randy orton bookert
Within WWE Kayfabe, Kane and The Undertaker are infact half-brothers. They have been told to have been born from the same mother, with different fathers respectivately.
No. The Undertaker and Kane are not real life brothers. They were storyline brothers in the WWE. They were together referred to as "The Brothers of Destruction" and were multiple time Tag team champions. Apart from storyline relationships, they are not related in real life.
Kane
He doesn't have any twin brothers
no the Undertaker and Kane are not even real bros its just for WWE
Kane and the undertaker
Well, there are many tough WWE superstars but, the best wrestler is the undertaker
VOILENCE AND HIS BROTHER THE UnDeRtAkEr
No
they both are the strongest superstars in wwe but undertaker is a little stronger
Kane is undertakers little brother in wwe but off-set they are not even related