If by character, you mean book character --Harry Potter is the hero of the books, the protagonist.
If you mean the other definition of character then Harry Potter is a bit of a sterotypical hero who wants to save everybody, sacrifice himself for others, do the right thing, etc...
Other Examples: Luke Skywalker (Star Wars), Jack Dawson (Titanic), Robin Hood (anything Robin Hood), Indiana Jones (Indiana Jones), etc...
There is no character named 'Milford' in Harry Potter.
Harry Potter!
There is no character of that name in Harry Potter.
No. Harry Potter is a fictional character.
There is no such character in Harry Potter.
There is no character by that Name in Harry Potter.
Harry Potter
Harry Potter IS the character in this case.
In literature, a protagonist is the main character. Harry Potter is the main and prominent character in the Harry Potter Series, so that makes him the protagonist.
harry
Harry Potter is a fictional character.
There is no such character in Harry Potter.