|Birthday||February 21, 2001|
|Voices||Young Princess Bubblegum ("Mortal Recoil," "Too Young")|
Isabella Acres is the voice actress for 13-year-old Princess Bubblegum, who first appears at the very end of "Mortal Recoil," and in "Too Young" until the end of that episode, when Princess Bubblegum is restored to her 18-year-old form, at which point Hynden Walch returns as her voice actress. Her sister, Ava Acres, was the voice actress for young Marceline in "Memory of a Memory and "Simon and Marcy." She is also the voice of Katie on Phineas and Ferb.