Who am I 14

[ashkahchan]

The Rules:
+I will give you five clues describing a specific character from the series.
+You're job is to figure out who I am describing from the clues given.
+You will have one week to come up with your answer and post it.
+All comments will be screened.
+Correct answers will earn you two random cards.
+Please be sure to list the character's full name.

The Clues:
1.) I am a third year student.
2.) My play style is Counter Puncher.
3.) I like to do different sea activities in my spare time.
4.) I have the tendency to ask a lot of unnecessary questions.
5.) My 'sinker' move sealed a certain Seigaku player's special moves during our match against each other.
WHO AM I?

+Remember, the process of elimination is your best friend.
+Sometimes you won't have to use all clues. You're just good that way. X3
+This game will end: Closed.
+Last week's answer: Echizen Nanjirou