Bloopers in the frankenstein films?

[arr&bee]

Boo,i was watching my favorite monster last night and noticed something amiss-the hunchback who assisted the good doctor wasn't[egor]but[fritz]bela lagosi didn't appear as[egor] til[son of frankenstein]...in the first film the laboratory was away from the mansion but after it was in the castle,but still the greatest of the monster films!

[marv2]

Yeah, I loved watching Frankenstein and other monster movies on Saturday afternoons growing up! Right now, I only remember Igor being the assistant.