Rocko and friends immediately accept her with correct pronouns and no confusion or jokes, while a key scene shows her father Ed Bighead reacting with anger and disownment before quickly reconciling after guilt over rejecting change. Creator Joe Murray stated the inclusion felt natural to the theme of accepting societal and personal changes over 20 years, and the production consulted GLAAD to ensure respectful portrayal, with Murray voicing Rachel post-transition.

This gender identity shift for a pre-existing character drives subplots and emotional beats around acceptance rather than emerging organically from the nostalgia premise of reviving The Fatheads. Reception shows a critic-audience divide, with positive coverage from outlets highlighting the 'trans rights' messaging and Netflix Pride promotions, contrasted by audience complaints of forced pandering and 'woke' elements that disrupted the revival. As family-oriented children's media, the explicit identity focus amplifies its centrality.