# Design Pattern | Pattern | Assignee | | -------- | --------| | MVC| Marco | | Dependency Injection| Marco | | Observer| Helene | | Facade| Helene | | Decorator| Simeon | | Event Listener| Simeon | | Proxy | Johannes | | Factory Method| Johannes | | DAO| Luca | | Interface| Luca | | Singleton| Martin | | Iterator| Martin | | Abstract Factory| - | | Transfer Object| - | | Strategy| - | | Container| - | | Delegation| - |