Who Am I?

Kia Ora everyone, today I have another quiz for you to answer. When you have your answer or your guess comment in the section below. I'll give you a clue it's one of the biggest fish I have ever seen and the first word is humphead. Who Am I

Who Am I?

 Everyone asks for me but yet everyone hates to face me ,for someone I am agony for others I am relief! Who am I? I will give you a hint or a clue. It's something that's always the right thing but never ever bad.