Also the KISS logo has letters that look similar to the insignia of the Nazi SS:

I don’t really know either.

Wikipedia has the following information:

The distinctive “bar-s” logo the band used since 1981, designed by artist Jamie Hernandez (illustrator of the comic Love and Rockets) resembling a black bar with a single lightning-bolt style S, or more accurately, the Sig, or Sowilo Germanic rune meaning “sun”, or “victory” offset to the left of the bar, was misunderstood by many of the younger members of the punk scene. The logo was mistaken for a Nazi “SS” symbol, and rumors circulated that the band were racists, Nazis or white supremacists. This was compounded by Hickey’s self-identification as a “traditional skinhead”.[citation needed]