Nika Futterman is an American actress, voice actress, comedian, and singer, who is best known for voicing Gridface Princess in the Cartoon Network series Adventure Time, Smellerbee in the Nickelodeon series Avatar: The Last Airbender, Lola Caricola in CatDog, Catwoman and Lashina in Batman: The Brave and Bold, Olga Pataki in Hey Arnold!, Pandora in The Grim Adventures of Billy & Mandy, Adam M. Lyon in My Gym Partner's a Monkey, Sticks the Badger in Sonic Boom, and Luna Loud in The Loud House.
She has also provided voices for many Disney characters in animated films, shows, and video games that are listed below.
- Squeeze the Pliers and Stretch the Tape Measure in Handy Manny and the Special Agent Oso episode "The Manny with the Golden Bear"
- Cuckoo Loca in the Mickey Mouse Clubhouse spin-off series Minnie's Bow-Toons and Mickey and the Roadster Racers
- Bough-Breaker and Rose Wolfe in W.I.T.C.H.
- Madame Tang, Scarlett, and additional voices in the video game version of Pirates of the Caribbean: The Legend of Jack Sparrow
- A dung beetle in The Wild
- Zita Flores in Kim Possible
- Additional voices in Fish Hooks
- Additional voices in Doc McStuffins
- Sif and Hela in The Avengers: Earth's Mightiest Heroes
- Asajj Ventress, Sy Snootles, Shaeeah, Dono, Chi Eekway, TC-70, Gardulla the Hutt, Nightsister, Female Twi'lek, a citizen, a rebel, a Twi'lek Child, Raydonia Mother, Gold 2, and ShuMai in Star Wars: The Clone Wars
- Mizrabel in the 2013 remake of Castle of Illusion starring Mickey Mouse
- Madam Ubetcha in Sofia the First
- Angela in Guardians of the Galaxy
- Presence in Star Wars Rebels
- Zira in The Lion Guard
- Buttons in Vampirina
- Additional voices in Star vs. the Forces of Evil