Sidney is a hyperactive girl with an identical twin sister named Ashley. She loves her twin sister, and her twin sister loves her. They have the exact same facial features, eye color, and long golden blonde hair. Her mood is always brighter when she's near her sister, and her performance at pretty much anything is enhanced as well. She loves playing sports, baseball in particular is her favorite, though she's not very good. When comapred to her sis, it's clear their personalities are unique.