Viking
Katya has what she calls a "random goofy question." She wants to know why it is that a buffet here is called "viking."
"My husband suspects it has something to do with Vikings," she says. "As I am unfamiliar with their eating habits, can you please confirm or deny the history of the word usage in Japan?"
My favorite explanation is one I came across when conducting research for my book "Insider's Tokyo" (2001), 45 stories about the history of the city from prehistoric times to year 2000, and available from Good Day Books in Ebisu.