Rani

Rani is the (former) sole and main antagonist then becomes a supporting protagonist of the third Season of the Lion Guard.

She was formerly; mean, crule, greedy, selfish, and bad. And later kind, smart, brave, and nice.

Trivia

 * She is confirmed to return in the fourth Season. She will also have a major role (along with Kion and Zazu).
 * She becomes Kion's mate in the end of the third season.
 * She was the third villain to redeem herself (next to Makuu and Janja).