What are the last names from total Drama Island?

Here are the last names of the contestants from Total Drama Island:

Main Cast:

* Alejandro: (Last name not revealed)

* Beth: (Last name not revealed)

* Bridgette: (Last name not revealed)

* Cody: (Last name not revealed)

* DJ: (Last name not revealed)

* Duncan: (Last name not revealed)

* Eva: (Last name not revealed)

* Gwen: (Last name not revealed)

* Heather: (Last name not revealed)

* Izzy: (Last name not revealed)

* Justin: (Last name not revealed)

* Katie: (Last name not revealed)

* Lindsay: (Last name not revealed)

* Noah: (Last name not revealed)

* Owen: (Last name not revealed)

* Trent: (Last name not revealed)

Other Notable Characters:

* Chef Hatchet: (Last name not revealed)

* Chris McLean: (Last name not revealed)

Note: The Total Drama franchise focuses heavily on the first names of the characters, and their last names are rarely mentioned, if ever.