Your history teacher is on vacation for two weeks so he hires a boring substitute teacher. You and your friends are bored after just a day so you guys called for a replacement for her who shall be a bit more entertaining. Sure enough, the next day, barbarians from history come into classroom unexpectedly. Leif Erikson: Hello class, I am Leif Erikson. Genghis Khan: And I’m Genghis Khan. Attila the Hun: And I’m Attila the Hun. Caveman: Ugh, I’m a caveman. Leif Erikson: We are your new substitute teachers for history class! Genghis Khan: Any questions?!