Did any of you have ridiculous misconceptions about other balkaners

I used to very much believe that all Serbs are tall blue eyed blondes

I live in an area that doesn't get many balkaners so all I knew about Serbs were from the media... The all slavs are like that rhetoric was intense, the same with Russians , you should have seen me meet serbs for the first time... I had this belief till I was like 16 and met russians shorter than me and no blue eyes, I then got over it