Answer:
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
A prehistoric reptile that lives today and the inspiration for the name of a popular sports drink.
You might accuse someone living with a stolen identity of being this.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
I will disappear every time you say my name.