Conga is a native warrior lead an African tribe.
In the 1965 series, She was the animal hunter Tonga. But she was actually a young girl named Mary who was in love with Kenichi, but who then lost her memory for a while. She regained her memory and left the jungle with Roger and Mr. Pompous.
In the 1989 series, She was a native warrior, and she wasn't Mary this time, In episode 7. Courage she starts as a main antagonist to try to kill Kapu's mom an okapi, Later in episode 36. Trust, she reformed after she help Kimba (Leo).