No, I'm not such a big Fußball (Soccer) fan, that I choose my nick after the current German headcoach's name.
Rather, the nick Loew is an old tradition of mine for all kinds of strategy (browser-)games, where you create minio...erm, brave troops to do your biddings.
It is told as a Myth that in ancient Prag a rabbi Loew created a Golem as protector for the Jews of Prag. This Golem was a mighty creature, but in the end, the rules that bound the creature and some unwise decisions lead to a catastrophe.
...somehow this is fitting ;)
read more here wikipedia