Senni Tonnika was a woman who, along with her sister Brea, formed the Tonnika sisters, a duo of con artists. Shortly before the Battle of Yavin, the sisters were present in Chalmun's Cantina, a drinking establishment located in Mos Eisley, Tatooine, on the day Luke Skywalker met Han Solo.
- Bounty Hunt
- Star Wars: Episode IV A New Hope (First appearance)
- "You Owe Me a Ride"—From a Certain Point of View
- Star Wars: Complete Locations (First identified as Senni Tonnika)