We do not have any typical Western symbols, but we do have our own bird — a bullfinch ... They are a bust of German ruler Kaiser Wilhelm and the airships, which were called ‘zeppelins’ — in honour of ...
But did you know that pi has an evil twin represented by the symbol ϖ? As [John Carlos Baez] explains, it and its related functions are related to the lemniscate as pi relates to circles.