https://answers.yahoo.com/question/index?qid=20140526210335AACrm0k

Patriarch------ The backbone of the group. He or she is the strong willed leader of the group. Matriarch----- A sort of secondary leader who has a much softer touch. He or she is generally the "councilor" and tends to resolve the disputes between the characters; or is otherwise the most emotional/caring of the group. Clown----- He or she is the comic relief. This character is rarely taken seriously by the rest of the ensemble, usually very quirky and strange. Craftsman----- The serious one. This character is the one who is the most grounded in reality and sees things for how they are.