The Teenage Mutant Ninja Turtles first came out in the 1980s.
Leonardo (Leo) — The courageous leader and devoted student of martial arts, Leonardo wears a blue mask in some versions and wields two katana. He is the oldest of the four. Leonardo was named after the Italian polymath, scientist, engineer, inventor, anatomist, and painter, Leonardo da Vinci.
Michelangelo (Mike or Mikey) — Easy-going and free-spirited, Michelangelo wears an orange mask in some versions and wields a pair of nunchaku. Michelangelo provides much of the comic relief. He is named after the Italian Renaissance painter, sculptor, architect, poet, and engineer Michelangelo Buonarroti. His name was originally misspelled "Michaelangelo" by Peter Laird and Kevin Eastman.
Donatello (Don or Donny) — The brilliant scientist, inventor, engineer, and technological genius, Donatello wears a purple mask in some versions. He is named after the sculptor Donatello.
Raphael (Raph) — The team's bad boy, Raphael wears a red mask and wields a pair of sai. He is named after the Italian painter and architect of the High Renaissance, Raphael.\
The ninja turtles have been a comic, TV show, movies, and etc. throughout the years that they have been in existence.