Merlina the Wizard
Merlina is the true villain of Sonic and The Black Knight.
Knuckles and The Black Night[]
Merlina debuted here as a ally of Knucles and The Alpha Team.
The Dark Queen
However, It's reveled she is the true villain of the history. She is eventually defeated by Knuckles.
Crossover Flee to Darkness[]
Merlina is revived by Demise and join him and his league to get her revenge on Knuckles.