Kari Byron

Kari Byron will appear in Ghostbusters vs Mythbusters. Kari, (Backed up by the Mythbusters) will rap against the Ghostbusters. She is said to be played by Lauren Flans.

Information on the Rapper
Kari Elizabeth Byron is an American television host and artist, best known for her featured role on the Discovery Channel show Mythbusters. 

Lyrics
(Note, following is solo lines only)

Verse 2

-and Kari!

We retract your flows and substitute our own