Do you have a catchphrase? Is it something you, personally came up with, or is it something you overheard, appropriated, as is now wrongly associated with you.
Or maybe you had a friend in middle school who rocked a scarf hard, all year round. And then you moved to a new city where nobody new about your friend, and suddenly you became Scarf Man. Did you ever have to explain that Original Recipe Scarf Man?