RollerCoaster Tycoon 3 allows several peeps to share the exact same name. 2 guests named 'Chris Sawyer' and 'chriS Sawyer' respectively).

2 guests named 'Chris Sawyer'), but multiple guests can have the same name with different capitalisation (e.g. In RollerCoaster Tycoon and RollerCoaster Tycoon 2, it is not possible for multiple guests to have the exact same name (e.g. This is done by clicking on the nametag icon in the Guest's window. The effects will take place once the name is entered. In all RollerCoaster Tycoon games, cheat codes are activated by renaming a guest/peep to a specific name.