music: Musical Ds: Electric Flamenco Guitarist who claims to be "worlds fastest"?

Questions

Fashion: The first widely used synthetic fiber?

Fast Food: A girl with pig tails, and a white-haired man represent this chain?

Fast Food: McDonald's also sells this Italian food in some markets?

Fast Food: Sometimes called a Frankfurt, on a bun with cheese,mustard,ketchup etc?

Fast Food: This "Fresh is the taste" chain is -everywhere-?