Don Aristoteles is an anthropomorphic beaver residing in Zawazawa Forest. He acts as a paternal figure to his young and inquisitive son, Chuck, providing guidance and support during the beaver kit's daily adventures and explorations. Aristoteles functions as a stabilizing force within the family, frequently intervening to assist Chuck in resolving predicaments through practical assistance and emotional reassurance.

His role reinforces themes of familial bonds and life lessons, helping Chuck comprehend complex experiences. While the series maintains a lighthearted tone through comedic and educational storytelling, Aristoteles contextualizes more serious themes like loss and grief when they surface. His presence supports Chuck's development by reinforcing values of community, responsibility, and interpersonal relationships.

The sequel series expands the forest setting and its inhabitants, yet Aristoteles retains his foundational familial role. His interactions consistently emphasize mentorship and parental support as Chuck navigates new scenarios among an expanded ensemble. Throughout the extended narrative, Aristoteles' portrayal remains centered on reinforcing core themes of familial support and communal harmony, without significant alteration to his established role or background.