Kalus is one of the main antagonists of the 2005 action-adventure fantasy videogame Kameo and she was also the sister of the titular heroine.

Thiis fairy princess was driven insane by jealousy and sought power over the Enchanted Kingdom for herself by awakening Thorn, the Troll King, she also unleashed her own magic to capture many of her own family and imprison them while also stealing her sister's elemental sprites so as to leave her powerless.

Despite her madness it was later revealed that Kalus was in reality a pawn to The Mystic and upon realizing how she was being played for a fool sought redemption by facing Thorn, only to be overpowered by the powerful troll.