|Full name||Charles Stewart|
|Born||June 26, 1971 (age 45)|
|Appeared in||Sir Isaac Newton vs Bill Nye|
|As||Neil deGrasse Tyson|
Charles Stewart, more commonly known by his stage name, Chali 2na, is an American rap and hip-hop artist, best known for his work in groups such as Jurassic 5 and Ozomatli. 2na has made a number of notable songs with the hip-hop groups, including "What's Golden", "Quality Control", "Concrete Schoolyard", and "Work It Out". He portrayed Neil deGrasse Tyson in Sir Isaac Newton vs Bill Nye. His website can be found here.
- 2na is the fifth non-YouTuber rapper.
- In the Behind the Scenes video for Sir Isaac Newton vs Bill Nye:
- Nice Peter stated that anytime he tries to do a deep voice, such as with Darth Vader and Santa Claus, he is "trying to channel the spirit of Chali 2na".
- 2na stated that his son is a big fan of the Epic Rap Battles of History series and that he was shocked to hear about him being in one.
- His name is misspelled in the credits as "Chali 2a".
- He is the second tallest actor at 6'6", only one inch shorter than Rhett McLaughlin.
- Peter mentioned that he has negotiated with 2na's manager for him to appear again in a future episode.
- 2na himself has expressed interest in portraying Dennis Haysbert, the spokesman for Allstate Insurance.