According to his SimDNA in SimPE, his hair was red before it turned grey. Zack's name is randomized when Académie Le Tour is generated. The name "Zack Trottier" is only referenced in the game files. Although he is a sports coach, he isn't very interested in sports. Even though Zack is thin, his fitness level indicates that he is supposed to be fit. This happens with all coaches from The Sims 2. Despite being a Family Sim, his Lifetime want is to reach the top of the Military career, which is normally only available to Popularity Sims.