Tupac was the best rapper I have ever seen. He is the one who started most of all of the trends you see from rappers today.His lyrics and his style is what seperated him from all of the other rappers at his time.
But perhaps his greatest feature was the fact he could make so many great songs in such a short amount of time that even today his music is still being released.
There are some many of todays rappers who try to look like him and sound like him get tatoos like him. They just end up looking like pretenders to his throne there will always be copycats but there will only ever be one Tupac.