What is his / her name? What is __________ about them? (e.g. strange / unusual / nice...) What was their --problem last year? What happened? Why have they become so __________ ? How many __________ have they -__________ ? Who have they been __________ recently? What have they been __________ for the last five years?
Then, answer the questions - be creative! The answers should link the questions together so that it gives you the basis for your story.
Lastly, use the information to write your final story! You can add more info, flash the story out.