Mike is a nice, well meaning teenager and the host
Chester is and old man, triggered by frustration
Svetlana is a Russian gymnast triggered by athletic challenges
Vito is an Italian brute triggered by the removal of Mike’s shirt
Manitoba is an Australian treasure hunter and survivalist triggered by Mike putting on a fedora
Mal is Mike’s evil counterpart triggered by being hit on the head
This is a DID System, from Total Drama Revenge of the Island