Mark Otto and Jacob Thornton developed Bootstrap at Twitter as a means of improving the consistency of tools used on the site and reducing maintenance. The software was formerly known as Twitter Blueprint and is sometimes referred to as Twitter Bootstrap.
The Mario brothers were first seen in 1983 in the arcade game Mario Bros. Mario was invented before Luigi and first showed up in the game Donkey Kong in 1981.
Donkey Kong was Nintendo's first big hit in America. It also marked the first appearances of Mario (known as Jumpman, a carpenter) and of Donkey Kong. It was released in 1981 & (1983 re-release). The game sold well in the United States.