[Ans] Which cartoon character often promised that he would "gladly pay you Tuesday for a hamburger today"?

Step 1 : Introduction to the question "Which cartoon character often promised that he would "gladly pay you Tuesday for a hamburger today"?"

J. Wellington Wimpy, generally referred to as Wimpy, is one of the characters in the comic strip Popeye. Wimpy was a dominant character in the newspaper strip, but when Popeye was adapted as an animated cartoon series, Wimpy became a minor character. Hamburgers are Wimpy's favorite food, and he is usually seen carrying or eating one or more at a time. His famous catchphrase, "I'll gladly pay you Tuesday for a hamburger today” started in 1932. This phrase is now commonly used to illustrate financial irresponsibility and still appears in modern comedies such as The Drew Carey Show and The Office.

[Ans] What was the first chain of hamburger restaurants in the United States?

Step 1 : Introduction to the question "What was the first chain of hamburger restaurants in the United States?"

..he oldest hamburger restaurant chain in the United States is White Castle. The first White Castle restaurant opened in Wichita, Kansas, in 1921. The first McDonald's didn't open until 1948, by comparison. History of the hamburger in the United States 

The following restaurants have either played a part in the ... as the oldest hamburger restaurant in the U.S., is credited by some with ... White Castle restaurant chain marketed and sold large numbers ...