What is i-20 rapper?

There is not enough information available about a rapper specifically named i-20. It is possible that the name refers to one of the following possibilities:

1. i20, also known as Bobby Creekwater, is an American rapper and songwriter from Atlanta, Georgia. He was signed to Ludacris' label Disturbing tha Peace, and released several mixtapes and albums in the mid-2000s.

2. i-20 may refer to a different underground or independent rapper who has not achieved widespread recognition.

Without more specific information, it is difficult to provide further details about a rapper named i-20.