Elsa from Frozen takes on the Sorceress Sisters :Twinrova from the Legend of Zelda series.
Scenario A) Koume and Kotake are fighting separately.
Scenario B) Koume and Kotake are in their merged form.
*Twinrova can refer to both the merged form of the two Gerudo witches as well as a pseudonym that collectively refers to the two witches when they are separated.