Nika Futterman is an American actress and singer. She is known for her many roles in various animated series, including Mike in Mike, Lu & Og, Asajj Ventress in Star Wars: The Clone Wars, Stretch and Squeeze in Handy Manny, Cuckoo-Loca in Minnie's Bow-Toons, Miguel in Maya & Miguel, and Adam Lyon in My Gym Partner's a Monkey. She has voiced many characters for Nickelodeon, including Omnia in the Nickelodeon version of Winx Club, Chum Chum in Fanboy and Chum Chum, Olga Pataki in Hey Arnold!, Belle Pepper in Sanjay and Craig, and Luna Loud in The Loud House.