Build a movie plot around this: What does Von Rotten disguise himself as? Chinese trader
The answer to this question is:
Willy McBean is sick of trying to learn history for school. Meanwhile, an evil scientist called Rasputin Von Rotten is building a magical time machine so he can go back in time and be the most famous person in history. A Spanish-English talking monkey named Pablo climbs through Willy's window. He explains that he escaped from Von Rotten and he tells Willy what he is planning to do. Pablo stole the plans to the time machine.Willy builds his own machine to go back in time to stop Von Rotten. The machine isn't working properly. They end up with General George Armstrong Custer (18391876), and escape moments before Custer is killed.They then arrive in the Wild West, where they meet Buffalo Bill Cody and his Indian pal, Sitting Bull. Von Rotten plans to become the fastest gun in the west. Von Rotten asks Bill for a showdown, but both guns are sabotaged before anyone can be shot.Von Rotten moves onto his next target, Christopher Columbus. Once there, disguised as a Chinese trader, he convinces Columbus's crew that they should mutiny. Once more McBean and Pablo stop the evil professor by showing the crew that land is not far off.After that, Von Rotten goes back to England in the days of King Arthur in the kingdom of Camelot, but Pablo and Willy get Arthur to pull Excalibur the magic sword that can talk. A talking green dragon then crashes into Camelot in an effort to eat everyone, but King Arthur and Excalibur are able to drive him away.Willy and Pablo later go to Ancient Egypt to stop Von Rotten from building the Great Pyramid, but the duo reach Ancient Rome on the way. Then they go back to prehistoric times to encourage cavemen to invent fire and the wheel before Von Rotten.As they return to the present, Von Rotten shows the students history through his magic machine (in the form of a movie projector) during history class.