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The meaning of the nickname is really simple. I created it from my initials, which are MŠ. However, using any characters outside English alphabet is cumbersome. So I stripped it and only took the simplified letters. It comes from my language "S po M" or in English "S after M". No deep meaning. I wanted a simple nick so I came up with this one.

Great! I had thought related to that too but the first letter confuse me but now I've clearly understand where it came from.

espoem roundhouse kicks don't really kill people. They wipe out their entire existence from the space-time continuum.

Unfortunately icndb doesn't have the answer.