Nikki Papagus is a recurring character on Switched at Birth. She makes her debut in the 26th episode of the 1st season, Tree of Forgiveness" and is played by Cassi Thomson. She is the ex-wife of Toby Kennish whom she met at a jam at the local church.
Nikki is a Christian rock vocalist and guitar player. Her father died when she was a teenager, and, to cope with it, she drank alcohol and went to clubs. In her words, she "connected with the Lord and changed her ways" after realizing that her father wouldn't have wanted her to drink.