Who was fibbanico?

Fibonacci, also known as Leonardo of Pisa, was an Italian mathematician born around 1170. He is best known for introducing the Fibonacci sequence to the Western world, a series of numbers where each number is the sum of the two preceding ones, starting with 0 and 1. His work "Liber Abaci," published in 1202, played a significant role in popularizing Arabic numerals in Europe and laid the groundwork for modern mathematics.