Z3 is the German destroyer Z3 Max Schultz, a ship-girl from Kantai Collection. She appears as a confident, disciplined character inspired by the Kriegsmarine destroyer of the same name. In the series, she represents the foreign naval forces integrated into the setting, adding variety and historical flavor to the fleet girls' cast. Z3 is often portrayed as serious and capable, with a strong sense of duty, and she serves as one of the notable non-Japanese characters in the franchise.