Liliana Berry Davis Mumy is an American actress. Between 2002 and 2006, she appeared as Jessica Baker in the two Cheaper by the Dozen movies and as Lucy Miller in the second and third films of The Santa Clause trilogy. In animation, Mumy performed the voice of Mertle Edmonds in the Lilo & Stitch franchise as well as Twinkle in Higglytown Heroes. For Cartoon Network she has voiced Panini in Chowder. For Nickelodeon, she has voiced Human Kimberly in Catscratch, Roxy in the Nickelodeon revival of Winx Club, and Leni Loud in The Loud House.