A playable character introduced in Bayonetta 3. A young witch-in-training from an Alternate Universe, she arrives to Bayonetta's universe to help her fight against Singularity, the main antagonist in the 3rd game.
Viola is later revealed as the daughter of her universe's Bayonetta and Luka Redgrave. In battle Viola uses a Katana and her demon cat familiar, Cheshire.