Original sentence: The Weekenders is a Disney animated series about the weekend life of four pre-adolescents: Tino Tonitini (Jason Marsden), Lor McQuarrie (Grey DeLisle), Carver Descartes (Phil LaMarr), and Petra Tishkovna "Tish" Katsufrakis (Kath Soucie)
Edited sentence: The Weekenders is a Disney animated series about the weekend life of four 7th graders: Tino Tonitini (Jason Marsden), Lor McQuarrie (Grey DeLisle), Carver Descartes (Phil LaMarr), and Petra Tishkovna "Tish" Katsufrakis (Kath Soucie)