The "Greatest Rapper of All Time" title is one of the most prestigious monikers in the history of hip hop; it's also one of the most debated. In terms of innovation, there's no denying the importance of Rakim.
When it comes to achieving commercial success during a pivotal time in the genre's infancy during the 1980s, names such as LL Cool and Run DMC are also mentioned among the best ever. When it comes to wordplay and storytelling, a strong argument can be made for emcees like Biggie, Big L, Eminem, and Kendrick Lamar. On the flip side, if being a generation-defining artist who makes classic album after classic album was a part of the criteria, then rappers such as 2Pac, Jay-Z, and Lil Wayne also could lay claim to the title as well. But what about the opposite side of the spectrum? Who's the worst rapper of all time? And furthermore, what's the criteria?
