Rumcajs
... that Czech fictional outlaw Rumcajs was so popular in Poland that a brand of detergent was named after his son?
... that Czech fictional outlaw <b id="mwCBE"><a href="./Rumcajs" id="mwCBI" rel="mw:WikiLink" title="Rumcajs">Rumcajs</a></b> was so popular in Poland that a brand of detergent was named after his son?