This quiz has an amazingly robust number of sci-fi characters that you can be, I could tell you all of the movies/tv series that they included, but it might spoil the joy of recieving an unexpected answer.
You may think to yourself, Jonathan, Worf?
But lets run this down:
Very Tall. Check
Violent. Check
Drinks wine out of a large metal cup. Check
Sings nonsensical songs in a deep voice as loud as possible. Check
Captains the federation's most powerful warship. Check (In my mind)
Smells Earthy. Check
Has unconquerable wavy hair. Check
Digs chicks with swords. Check