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.
Super Mario Bros. 2. Mario and Luigi ended up in Subcon to end the evil Frog Tyrant Wart's rule over the land. Aided by Peach and Toad, the brothers were able to defeat Wart and free the Subcon fairies. Mario then looked for a while before returning to his sleep.