2. Chidera Anemege
Popularly known as Chiddy of Chiddy Bang, rapped his way into the Guinness book of records in 2011. He is the current holder of the longest rap freestyle by an individual.
He set the record at the MTV O Music Awards in Las Vegas, the U.S.A. Chiddy freestyled for 9 hrs, 18 mins and 22 secs. He even had to keep rapping while using the toilet twice, to set the record.