Complex sentence: There are several restaurants and other businesses whose names make reference to the creature, a Czech strongman (René Richter) goes by the nickname "Golem", and a Czech monster truck outfit calls itself the "Golem Team".
Split into simpler sentences: There are several restaurants and other businesses whose names make reference to the creature. Strongman René Richter goes by the nickname "Golem", and a Czech monster truck outfit calls itself the "Golem Team".