The correct answer is:
VIOLA
Of Messaline. Sebastian was my father;
Such a Sebastian was my brother too,
So went he suited to his watery tomb.
If spirits can assume both form and suit
You come to fright us.
"Twelfth Night" is a play written in 1601 or 1602 by William Shakespeare. Viola is the protagonist of the play. She is a young woman that, when dressed as a man, looks exactly like her brother Sebastian. She does this in order to protect herself after she thought that her brother had drowned in a shipwreck.